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Much of what is reported in the War on Obesity uses the language of "cause and effect." Understanding exactly how causation is established in scientific research can help sift through the sensationalism. If we want to improve health, lively debate must be a part of the process. Read More










Oh, Great
So, now you are trying to convince people that smoking is OK and obesity is OK, neither impacts health?
This is totally absurd.
And, don't confuse the differnce between proof that losing weight helps with proof that getting obese in the first place is unhealthy.
"Mortality Rate - Obese Patients
The majority of studies show an increase in mortality rate associated with obesity (body mass index > 30).
Obese individuals have a 50-100 percent increased risk of death from all causes, compared with normal-weight individuals (body mass index 20–25). Most of the increased risk is due to cardiovascular causes.
Obesity Mortality Risk Study
A study of more than 1 million adults in the United States (457,785 men and 588,369 women), investigated the relation between body mass index and the risk of death from all causes, cancer, and cardiovascular disease. In people who had never smoked, the lowest point of the mortality curve occurred at a body mass index of 23.5 to 24.9 in men and 22.0 to 23.4 in women. Above those points, the relative risk of death increased linearly with increased body mass indices in both men and women."
Fontaine KR, Redden DT, Wang C, Westfall AO, Allison DB. Years of life lost due to obesity. Journal of the American Medical Association. 2003;289(2):187-93.
Fat and obese people may not want to believe it, they can deny it all they want, but it is absolutely clear, and screaming this nonsense of "correlation is not causation" is just wishful thinking.
All of society pays for the obesity of the obese.
Yes, we should have empathy; yes we should try to find better ways to help obese people become non-obese; yes "dieting" seems not to work. But part of the reason diwting doesn't work is obese people going around lying to other obese people that obesity is quite OK, it doesn't even effect your health.
Obesity kills: that's what the data shows.
That I have these views does not mean I'm "afraid" of anything. It means I care more about obese people than the charlatans making believe its "OK" to be obese.
Correlation is not causation --yup that's true. It's also true that obese people die younger, have a shorter life expectancy and a greater risk of many diseases, some chronic and fatal.
Anyone encouraging someone to get obese or stay obese is actively encouraging someone to shorten their lives and increase their risk of chronic fatal disease....
And, the rest of us are called upon to pay for it....
Huh?
Not sure how to answer this one since it is filled with misquotes and misrepresentations. Did you even read my post?
However I will offer some counterpoints since you actually offered research instead of just repeating words like they are facts.
1. I said no one can claim they PROVED that cigarettes caused cancer, but the link between smoking and cancer and other diseases is a very strong case. AND I said that there are lots of studies that demonstrate quitting smoking improves health of the individual (and btw, on the population level as well). How is that encouraging people to smoke?
2. I said that one of the problems with a lot of the research that purports to demonstrate the need to lose weight is to take a population study and apply it on the individual level. The study you quote demonstrates that at a population level, people with different BMIs will have greater risks for certain health factors and early death (though if I recall the full study, I think the early death was a matter of months not years). I do not disagree with this result. Nothing I wrote would disagree with this finding. What I disagree with is the assumption that taking the individuals who are in the higher ranges of BMIs and making them smaller absolutely will reduce their risk of death and comorbidities. Nothing in this study demonstrates this. This is a population study. There are multiple explanations for these differences that have nothing to do with weight itself. For example, there are some studies that suggest that the stigma of fatness and not the fat might be the reason behind these differences. I am not saying this is a fact or that it is the right explanation, but it is an alternative explanation with some currency in research and therefore should be considered when looking at this study.
3. You said, "Correlation is not causation --yup that's true. It's also true that obese people die younger, have a shorter life expectancy and a greater risk of many diseases, some chronic and fatal." But you (and the people who wrote up the research) are making an assumption about causation. You are saying the shorter life expectancy and greater risk are from the weight and that, by implication, reduction of weight will increase health. You don't know that and nothing in this study supports that assumption. The correlation is real, but the reason behind the correlation is not clear and needs further research.
4. Even if I concede that weight loss might help alleviate these early deaths and comorbidities, exactly what do you propose fat people do about this? Lose weight for the long term? So far no one has figure out how to do that and what's worse, there is growing evidence that multiple attempts to diet or cut up your stomach or take pills to reduce your appetite will lead to death and disability. You seriously are proposing that 65% of the population is just so undisciplined and uninformed that they haven't tried to keep weight off? By the way, since studies like this do not distinguish between dieters and non-dieters and weight-cyclers, we don't know if the people with higher BMIs who had higher incidences of death might be dying from the dieting. One might as easily could have written "Dieting Kills" as "Obesity Kills."
5. I'm sick and tired of the bull about paying for other people's health. In the United States, most people have to fend for themselves and most really fat people cannot get insurance and make do out of pocket on salaries that are significantly less that the average. Exactly how are you paying for my health care? Exactly where are all these costs coming from? And, btw, don't you think the cost of health care would be reduced significantly if every time an insured fat person went to the doctor their symptoms were ignore, they were given pills they don't need to lose weight and they are encouraged to have expensive surgeries that don't work or require multiple additional surgeries? Costs can be construed in so many ways. But the bottom line is this -- fat people are part of the population and in the same way that population statistics include poor people and minorities and seniors and sick people who "bring down" numbers and "add costs" you can't arbitrarily pull out a group of people and announce they are the problem. This is panic rhetoric, not science.
6. Finally, advocating acceptance is not encouraging people to be any size. Health at Every Size means not paying attention to size, but to health. Acceptance is encouraging people to be people. It is a civil rights question. Fat people are not less than human. They are part of society. They have been and always will be a part of the human race unless we move to a Logan's Run society where the weak, sick and unacceptable are killed and everyone is terminated at a youthful 30 years of age. That's what all this boils down to. It isn't about health or cost, it's about hate. And please, don't tell me how much you care. If you cared, you'd listen. Paternalistic shaming of fat people is not caring. It is what it always has been. It's bigotry wrapped up in pretty clothing. It's about singling out a group of people and saying to them, you don't belong, or at the very least, you are too childlike to be considered part of the adult world.
If you really want to show that you care, then consider the following review of studies like the one you cited:
http://jama.ama-assn.org/content/293/15/1861.full
It basically has found that in the same period where Americans have increased their weight as a population, their life-expectancy and incidences of diseases related to metabolic health have gone down. In other words, there are complexities in this research and methodology as well as other factors such as improvements in health care and preventative care have had an impact, without significant changes in weight.
Please get a little more knowledge about obesity
Different factors are creating obesity and in this country not far away it will be 25 % of populatin taht will be obese without counting the overweight people in that. So it is not onl about moving and dieting and don't make it so easy to lose weight because it is not. Biggest loser is not a good show t watch because it is not the reality. Fit or not you are and I am pretty fit and know also how it works because I ge educated about the fact.
One point of clarification
Weight gain seems to have stabilized in the United States in the past 10 years, so predicting that 25% of the population will be "obese" is not really founded:
http://healthpolicyandreform.nejm.org/?p=13941
Pattie's article
Dr Thomas' answer to your comment is excellent but as you did with her article, you might not read it all or carefully. So I'll leave a short comment. Her analogy to smoking is not saying it's not risky - on the contrary. She is explaining the scientific method. Now go back and re-read her article slowly and totally, and maybe you will understand it better. It's actually one of the best articles (if not the best) I've read on the subject - not only about obesity but explaining just how science works which many people are confused about.
This is a tricky issue that requires looking at it from many angles
I'll grant your points about causation and about the deficiencies of studies. But you can find deficiencies in almost any study if you try hard enough.
It's also almost impossible to conclusively prove causation in anything. When a smoker gets lung cancer, you can't conclusively prove that it was caused by his/her smoking.
But the end result of this line of argument is that we utterly invalidate and remove the influence of science from our discussions and make it all about opinion and feelings.
I honestly don't care how much anyone weighs- that's their business and I don't make any judgments about them, their health or anything else.
But it does appear that more and more children are showing higher weights and diabetes is increasing at an alarming rate. As a society, we can stand by the position that their weight doesn't matter and that higher weight is merely correlated with (not causative of) diabetes or else we can say that a fairly tight correlation is sufficient to indicate possible/probably cause and explore the matter further.
What do you choose?
RE: This is a tricky issue that requires looking at it from many angles
But the end result of this line of argument is that we utterly invalidate and remove the influence of science from our discussions and make it all about opinion and feelings.
I would disagree -- I think that if we ask the questions we are supposed to ask when reviewing research, then we can learn more not less. This is the process of science. It is how it was designed. An informed opinion is not problematic. Gut-level emotional responses can even be useful, if they lead to real critique and questioning instead of knee jerk responses. Of course, web forums are the worst place for this in many ways because it is possible to respond before thinking but it is permanent (or semi-permanent) by the time it is done.
But it does appear that more and more children are showing higher weights and diabetes is increasing at an alarming rate. As a society, we can stand by the position that their weight doesn't matter and that higher weight is merely correlated with (not causative of) diabetes or else we can say that a fairly tight correlation is sufficient to indicate possible/probably cause and explore the matter further.
The "alarming rate" is questionable. The use of percentages instead of actual numbers of incidences can create the illusion of large numbers when they aren't there. Also, the redefinition of baselines and standards has had a lot to do with the belief that children are getting fatter and suffering more. I'm not the best source of information on this, but I do know others who have looked into this and have pointed out that the incidences of Type-II diabetes among kids and adolescents are still in the 1 per 10,000 or so range, making it way less than 1% of the population. http://www.cdc.gov/diabetes/projects/cda2.htm is a report that outlines some of these issues.
One of the reasons for the increase might simply be detection. Kids are being tested for type-2 diabetes more often now, which has led to an increase in reports. That does not necessarily mean an increase in cases. Second, ethnic groups have much higher birth rates than white Americans and ethnic groups have much higher incidences of type-2 diabetes than white Americans, so the increases might also reflect a genetic component in a changing population.
As far as there being more fat kids. This also is a bit sticky from a statistical point of view. First, the way in which obesity is defined in children changed drastically in the 1990s. BMIs are very problematic with a population that can grow 5 inches in 3 months. Kids do not grow evenly over time and therefore what looks like a big weight gain might look like a growth spurt if you wait just a little. I can't put my finger on the reference but I know I read somewhere that in the 1990s either the CDC or the NIH just decided that the top 15 percentile of kids in a given age group were "overweight," with a small top percentile being defined as obese. In other words, it is arbitrary and a matter of convenience. But after this decision was made, those working with childhood obesity conveniently forgot all these problems of measurement and started just talking about prevalence like they had hard data. (Here is a reference that kind of, sort of explains how it is calculated now: http://health.howstuffworks.com/pregnancy-and-parenting/childhood-condit...)
Here's the thing. By their own system of measurement, kids are no longer getting fatter. http://jama.ama-assn.org/content/303/3/242.short (Note that the plateau occurred before Michelle Obama's current efforts.)
One last thought. It is true that sifting through all of this is "tricky" as you say, Amy, but what upsets me most is that when people are not taking the time to wade through and figure it all out, they still repeat things like they are facts: "Obesity kills." "Losing weight is healthy." "Americans are getting fatter." "Childhood obesity is on the rise." etc.
These have become memes, repeated over and over again until no one really knows how they know it, they just do. At that point, the information becomes a sacred cow instead of a proposition to be debated and examined.
What I say to my students who ask me how can anyone find the time to examine all the information coming at them and fully understanding it is: If you don't have the time to examine it, then don't repeat it.
The world is filled with many people and some people are more interested and/or have more talents in examining certain kinds of data than others. None of us have the time to sort through all this. I love medical sociology and I love thinking critically about how people speak about the world. This overlaps with my own experience of stigma, weight loss, weight gain and disabilities that have resulted from the cruel and unusual ways I tried to deal with all of this, but it isn't my only interest. Fatness is a great case study in how scientific research meets popular rhetoric, but I'm really more interested in the bigger questions of how to end stigma and how to improve our health care delivery system. But this is my forum for now.
But what I do know is that if I don't know and don't want to take the time to know, then I don't repeat it. The world of information would be a lot better off if people thought before they spoke (especially on the web).
Anyway, thanks Amy for some stimulating thoughts and for seeing that it is a tricky thing to examine information.
Seriously?
Ms. Thomas:
You seem not to be serious about science or facts.
The study you cite plainly says that obesity leads to early death:
The following is a direct quote from the study YOU cite:
"Results Relative to the normal weight category (BMI 18.5 to <25), obesity (BMI ≥30) was associated with 111 909 excess deaths (95% confidence interval [CI], 53 754-170 064) and underweight with 33 746 excess deaths (95% CI, 15 726-51 766). Overweight was not associated with excess mortality (−86 094 deaths; 95% CI, −161 223 to −10 966). The relative risks of mortality associated with obesity were lower in NHANES II and NHANES III than in NHANES I.
Conclusions Underweight and obesity, particularly higher levels of obesity, were associated with increased mortality relative to the normal weight category. The impact of obesity on mortality may have decreased over time, perhaps because of improvements in public health and medical care. These findings are consistent with the increases in life expectancy in the United States and the declining mortality rates from ischemic heart disease. "
http://jama.ama-assn.org/content/293/15/1861.full
So, despite improvements in cardio medicine, obesity continues to result in increased deaths... and, the study accounts for "confounding factors"
As for who pays, obesity increases dramatically health insurance premiums and the cost of government medical care, paid for by taxpayers..
Yes, people who pay no taxes and pay no insurance premiums do not pay more. The rest pay for their share.
I didn't say...
the study didn't find comorbidities or correlations with death. I said they found complexities in these relationships.
"Obesity is associated with a modestly increased relative risk of mortality, often in the range of 1 to 2. In this range, estimates of attributable fractions, and thus numbers of deaths, are very sensitive to minor changes in relative risk estimates. Thus, results are affected by the precision and bias in relative risk estimates. Additional precision might be gained from larger cohort studies, but bias because of nonrepresentative samples and the use of self-reported weight and height could lead to less accurate estimates."
The study does not account for all confounding factors because it was limited by the data (this is not an original study but a revisitation of earlier collected data).
======================================
Here's a good discussion of the problems with obesity research, including discussing the implications of the JAMA article:
http://www.healthyweightnetwork.com/cntrovsy.htm#controvsy.htm
================================================
But again you confuse correlation with causation. "Obesity continues to result in increased deaths" is a causation statement. The obesity category is correlated with increased deaths. We do not know and this study does not address the reason for this. Some possible alternative explanations would be:
*People with higher BMIs put off going to their doctors longer and therefore are not treated early enough to prevent death.
*People with higher BMIs are sent home and told to lose weight instead of receiving treatment, thus again delaying life saving and preventative care.
*People with higher BMIs have more cytokines from the stress of dealing with a social stigma on a daily basis and are therefore at higher risk for conditions that lead to early death.
*People with higher BMIs are more likely to have weight cycled (the study accounted for length of time at particular BMI, but not long term diet/weight history)
*People with higher BMIs are more likely to suffer iatrogenic deaths related to drug side-effects, surgery side-effects and other medical errors.
====================================================
But again, I assert all of this is moot because even if we concede that weight causes these premature death rates, we do not know why all people get fat and we do not know how to help them lose weight for long term.
But again, even if we concede that dieting and exercise might result in lower body rates, there is nothing in this study to demonstrate that lowering the BMI will result in better health. Black people are more prone to sickle cell anemia, but lightening their skin won't cure it. Bald men have specific risk factors that their hairier counterparts and women do not have, but the Hair Club or a sex change operation will not necessarily improve their health or lower their risks.
But again, even if we concede that lowering BMI is helpful, then what is wrong with the HAES approach? It emphasizes a healthy diet and exercise, the very behaviors that are supposed to result in weight loss. If this is really about health and not bigotry, then what is the problem? Why use BMI as a measuring stick when we have $35 blood pressure cups (or free stations in most pharmacies), $50 blood sugar testing kits and other relatively cheap tests to monitor metabolic health? In what way is advocating a behavioral approach over a shaming approach allowing fat people to waddle wild in the streets eating more than their fair share and then waddle home to sleep the rest of the time? What exactly do you think fat people do in their daily lives? We just all sit around waiting for an excuse to do the worst things we can to our bodies?
I am advocating healthy behaviors and good health indicators. I am advocating that in a culture that limits the life chances of fat people and treats them as less than human, approaches to health that emphasize weight loss are doomed to failure. This is a practical matter. It has some (though not conclusive, but it a severely underfunded body of research) evidence behind it.
If the diet advocates are right, then HAES will lead to long-term weight loss and that will lead to good health. If I am right, then HAES will lead to good health no matter what someone's size is. Either way the behaviors are the same and for someone to say, "but fat people just have to understand how bad they are" is rooted in something other than science, logic or concern.
===================================
Oh, and since you assert that "...people who pay no taxes and pay no insurance premiums do not pay more. The rest pay for their share," when will you be sending me a check to pay my doctor?
I pay out of pocket for all doctor's visits, medical tests and medications, though we do qualify for some programs where the drug companies graciously give me and my husband some overpriced drugs. Since these companies continue to make double digit profits, I think all of us are being taken by them. If you are so worried about medical costs, then take a look at for-profit medicine and at the extreme overhead administrative costs of this inefficient system. 25% of all medical service fees at doctors' offices and hospitals are administrative because paid staff have to sift through the complexities of each insurance company and fight them tooth and nail to get approval for procedures. Pharmaceuticals and HMOs/Insurance companies post double digit profits. Physicians invest their money in these companies with no conflict of interest requirements. Medical mistakes are growing each year and by some estimates are in the neighborhood of the 3rd or 4th leading cause of death, even higher among adults under 40. Emergency rooms are closing all over the country because they are over-run with poor, uninsured people who have no where else to go for acute but not emergency care. Rates of pnemonia, asthma and other ailments are increasing rapidly in cities where water and air are getting dirtier. This doesn't even begin to address problems outside the United States. It is so easy to find a scapegoat when a system is this broke. It is no accident that the "War on Obesity" started in full swing when the Clintons failed to create universal health care and the panic over "Childhood Obesity" started after the Obamas failed as well.
Do you really believe that all our problems will be solved by The Biggest Loser? I guess it shouldn't surprise me. People, women, especially, have bought into the control my body, control my world mentality for a long time now.
To Ms. Thomas:
I'm truly sorry you feel so much pain, and I am saddened that you believe that all people who advocate decreasing obesity "hate" you or other obese people.
Unfortunately, we all know people who have been obese and who, through very hard work, discipline, determination, resilience and grace are no longer obese and have not been obese for quite a while.
Indeed, as you may know, there is a national registry of people who have lost and kept off substantial amounts of fat.
So, many believe that some folks just would rather eat whatever they want than do the hard work necessary to overcome obesity.
In my case, that was certainly true: I got obese because I ate whatever I wanted without regard for the health, esteem and appearance consequences. When I finally cut through the denial and saw what I ahd done to myself, I faced months and months and months of struggle, hard work, frustration, short term failure, etc.. But I knew all along that it was doable and it was up to me. It was a choice I was making.
But, from a societal perspective, it's also a choice that impacts health care costs for everyone else.
I'm sory that hurts; I'm sorry that the truth hurts, but that's the truth. Indeed, ahuge motivator for me in getting my weight below "obese" was precisely the all-cause morbidity numbers: could not be more clear: obesity dramatically increased my risk of all cause mortality and shortened dramatically my life expectancy. I decided I did not want to cause my own diabetes by continuing to eat whatever I wanted, notwithstanding the consequences.
People may have a civil right to kill themselves or damage their health. That doesn't mean they have a "right" to make believe it's not happening, or to distort truth to jsutify their choices.
And, society has a right to impose costs on the exercise of civil rights.
I wish you peace and self love, and I assure you that many people who advocate weight reduction do not "hate" obese people. Indeed, they are advocating for their health and well being.
Being hateful is not the same as hating
I never said all diet advocates hated me or fat people. I said that emphasizing weight over health is a form of hatred and the only reason I can figure out why HAES would be threatening is if the goal is about bigotry not health.
Please save your sympathy. I'm a happy person and quite comfortable in my own skin. I am not threatened by anyone who advocates weight loss. I resolved those issues personally years ago. One of the tell-tale signs of stigma is constructing a person who discusses their own stigma as being defensive or in pain. I am neither. So whatever pain you are feeling is not mine.
I am a medical sociologist who is concerned with the social contexts to medical care. The obesity "epidemic" and "war on obesity" is health policy and, in my informed opinion, one that is costing us a lot and not producing much good health. It just happens to be an aspect of health policy that I have considerable personal experience. I am well-researched and open to changes in the ways in which I think about this. I am not obsessed. I, like most scholars who have come this far in their education, am interested in furthering my own knowledge and presenting what I know to the world.
The national registry is not proof of much. Most of the people on there have moderate weight loss and do not follow up after the 2 year mark. I, myself, am a success story for a bariatric clinic in New Orleans. I don't know if it exists any more but I lost 130 pounds and kept it off for over 2 years.Then my health fell apart and I ended gaining all of it back plus about 90 pounds (turns out I have hypothyroidism that remained undiagnosed and untreated for over 10 years). I'm sure just like me, many of the people on the registry didn't come back write down the weight gain. Since there is no effort to account for that possibility, the registry remains flawed.
I don't really care if someone loses weight or gains weight. Because I advocate not emphasizing size, I am accused of encouraging weight gain or discouraging weight loss. This is not so, but apparently I can deny it multiple times and still be misunderstood. Weight is complex. I know people who advocate HAES who lost weight when they began to emphasize health not weight in their own habits. I know people who have gained. I personally have stayed stable for over 10 years now. I wish them all well as I do you.
What concerns me most though is that you have stated that it isn't a civil rights issue because it is about behavior. I am not advocating that people have the right to distort the truth. I am advocating that the truth should be pursued and it is not being pursued in this realm.
But people are people no matter how good or bad they are. We have this new concept in our country I've heard labeled "healthism." Since the 1970s we've been moving away from an understanding of health as contextual and not always under our control to a belief that if we are "good" then our health will be good. This is not supported by evidence. Plenty of "good" people who eat "right" and exercise who still get sick. Germs, dna and environmental conditions affect our bodies. Baby boomers may not realize this yet, but age can create problems as well.
So deciding that it's okay to take away the civil rights of people if they are deemed unhealthy is problematic. Exactly who decides this? Do you get the implications of your statement "society has a right to impose costs on the exercise of civil rights"? Really? So you want to speak, I get advocate a cost to that freedom? You want to vote, I get to tax you? Didn't we answer these questions already with the end of Jim Crow laws?
If you truly want to advocate for health and well-being, then how is HAES not doing that?
here are the Basic Principles of Health At Every Size:
1. Accepting and respecting the diversity of body shapes and sizes.
2. Recognizing that health and well-being are multi-dimensional and that they include physical, social, spiritual, occupational, emotional, and intellectual aspects.
3. Promoting all aspects of health and well-being for people of all sizes.
4. Promoting eating in a manner which balances individual nutritional needs, hunger, satiety, appetite, and pleasure.
5. Promoting individually appropriate, enjoyable, life-enhancing physical activity, rather than exercise that is focused on a goal of weight loss.
(source: http://www.sizediversityandhealth.org/content.asp?id=76)
If these principles make you uncomfortable, then I suggest you rethink the "we're just advocating" part. Are you seriously going to say to someone who is metabolically fit but fat, who eats well, who exercises regularly, that they still have to lose weight? If health is the goal, then what is the problem?
to be clear
I try (not always successfully) to talk about bigotry as a behavior not a personal characteristic. Hate is action as well as emotion. When I speak of "being hateful" I mean actions that have a stigmatizing and discriminating effect on groups of people.
History is filled with examples of people who decide that a group is less than human (which is a hateful decision imho) and then decide that the thing to be done is "help these poor creatures" who cannot help themselves.
Human dignity is insulted by this kind of help. I'm quite sure that the people who fall into this trap are well-intentioned, but their words and actions cause harm just the same.
My dad used to tease me when I skinned my knee or some other such minor injury. He'd say "oh, it can't hurt that bad. It didn't hurt me." This was designed to make me laugh.
But I have the feeling that when fat people say "what you are doing is hurting me, it is not helping." The response is "how can that hurt you? I didn't feel it."
Or worse yet, when we say, being fat doesn't hurt and are told "of course it does."
Fat people are human beings and those of us who have decided to make peace with our bodies and let our weight fall where it will naturally rather than fight to be something we are not should have a voice in the conversation. After all, we have a stake in it.
Ah! So you have a personal stake, Anon...
Anonymous - I am ashamed of myself for thinking previously that you were just an industry troll who is probably being paid to follow blogs and wipe out HAES wherever you find it. NOW I know that you are personally invested in being right about the obesity model. You have a psychological stake in this.
Sorry, but we can't take your personal experience, and the intensity of your belief in it, as proof that your beliefs are right for everyone. Just as population studies cannot guide the individual, individual case studies cannot guide larger groups. I suggest you go back and re-read Dr. Thomas's very excellent explanations of research methodology and analysis.
You adopted a HAES approach when you cleaned up your nutrition act. Like some, but not all, people who do this, you lost weight. But you also found that your body started to fight you. You "toughed it out" mentally, and kept going. Okay, but were there costs in other areas of your life? When we choose one psychological battle to fight, we are choosing others to ignore. There is not infinite mental energy to spend.
I bet if you came out of your anonymous cloak and shared your whole self with us, we would find things (if we were so inclined, which most of us aren't, spending our mental energy elsewhere...)to criticize as strongly as you criticize obesity and the obese. You give us a partial picture, and want to speak for all of mankind.
I'm not falling for that. I wonder how many other readers will.
Thanks!
Thank you, Pattie, for a scientific analysis of the hysteria and fear-mongering that currently masquerades as health information. The resistance people express to the basic skepticism you demonstrate reveals their dogmatic basis.
Thanks!
Thanks!
Great post
Well I suppose I will be one who isn't offended and outraged by your post. I tweeted this as a great lesson in the epistemology of epidemiology (say that 5 times fast!). Your points are all correct and it seems to me that many people are already married to various ideas to the point that they will disregard important points simply because they disagree with one of the messages of the writer, and thus they still make the same errors that they were before they read the article. Granted things probably could have been a bit clearer but then it is also a very complex topic that most people only start to understand after putting it into practice themselves.
I have read a bunch of the literature and my position is a little of both sides. When we see an association between obesity and poor health we might conclude that it is the obesity causing the poor health, but it could also be many of the very same biological mechanisms that produce the heart disease or the diabetes that also produce the obesity. When we see a reduction in obesity and a reduction in various biomarkers generally known to be causative of diseases, we can't say that it was simply the loss of adipose that did that, it could have been all of the dietary and lifestyle changes that produced the loss of adipose, or it could even be the lower calorie diet ameliorating markers like high blood glucose. I hear that loud and clear and I want to see everyone take that into account. Even if the study controlled for confounding factors, which confounding factors did they control for? All of them? Not a chance, they don't even know all of the relevant ones, how could they control for them?
However there are also biological mechanisms at play. We now know the adipose tissue is biologically active. It secretes cytokines that induce insulin resistance, and if that adipose tissue is reduced its secretion of cytokines, and you get less insulin resistance and less of the chronic inflammation and metabolic dysregulation. However, simply because we have a plausible mechanism for obesity causing something like diabetes doesn't mean that's the whole story, or even half of the story. Insulin sensitivity and various cardiovascular risk factors like c-reactive protein and high serum triglycerides can't be explained simply by adipokine secretion, there is a lot more to it than, there are so many things that go into all of those. Vitamin and mineral status, tissue highly unsaturated fatty acid status, sugar intake, trans fats, stress, alcohol intake exercise, infections, paucity of beneficial but non-essential biochemicals, etc, etc. So I definitely endorse the message that health should be emphasized, and guess what's not healthy? Not eating enough. And if "enough" for an individual prevents them from losing weight then I say so be it. I am not naive enough to claim that everyone just needed to "exercise self-control", all of that is strongly mediated by hormones which do become dysregulated after a time eating an unhealthy diet, this is been demonstrated by researchers time and time again, the so-call "yo-yo effect", it is because the body defends a particular fat mass depending upon hormonal and neurotransmitter signaling. Quite simply, there are an awful lot of people who would like to write obesity off as a paucity of character, and who don't understand enough to make the claims that they do.
Keep it up, I say in 10 years or so there will be a breakthrough if the right research is done and taught. Until then we need more advocates for the other side of the story. I'm not saying that anybody is necessarily right, I don't know that for sure, but it is good to make the argument. And a lot of fun.
Cytokines
Thanks for the thoughtful response, Stabby.
The cytokines research is very interesting to me as a medical sociologist because it also has implicated stigma and stress. There is evidence (mostly in Phelan and Link's work) that stigmatized populations have more health risks. This is one of the reasons cited for the strong link between health and socioeconomic status, which exists even if you account for access to health care. In the US, the lowest socioeconomic levels have health care access in the form of Medicaid and yet they continue to have more health risks than the general population.
Have you seen Peter Muennig's discussion of stigma and obesity-related illnesses? http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2386473/ He looks at cytokines and other enzymes as a connection between stigma and physical health.
Also, nice summary of Muennig's work and other implications of the war on obesity in Engber's column on Slate: http://www.slate.com/id/2231508/pagenum/all/
I find the complexities of how the mind, the body and the social environment come together to create both health and illness fascinating and I hope future medical research will move in the direction of integration of these various systems to more holistically understand this wonderful thing called the human body.
Go ahead: eat yourselves to death!
Just don't have the rest of us pay for you.
Where's the "rest of us"?
So you and your family and your -- ahem, *people* -- are wholly without any sort of any even merely possible health risk factors?
It all evens out in the end, you know. It really does.
You're going to die just like all the rest of us. I promise. No, really.
Very nicely said!
I learned a lot from your post, Pattie. Thanks for laying out the science so clearly.
Thank you,
for starting this discussion at Brave Girl Eating. I think the strong attachment to weight as a premier health indicator is born in part from the desire to have quick and dirty, simplistic answers. Unfortunately this does not work well in complex situations.
Understanding causation is only a part of that complexity, but I hope I added something significant to the issues you raised.
Agree for the most part
Many statistics of 'obesity related morbidity and mortality' include disease that have not been proven to be caused by obesity - especially as plenty of thin people get them too - heart disease and diabetes, for instance. Also 'obesity related deaths' can include if you get murdered or hit by a truck or burned in a fire but happen to be obese.
Certainly much of the morbidity and mortality attributed to obesity itself, is much more likely to come from poor diet.
The damaging effects of large amounts of fructose, processed foods, processed oils are now beginning to be seriously looked at as potential causes of type II diabetes, heart disease and cancers.
I am very overweight (though losing slowly), and have managed to reverse bad blood test results, joint pains, fatigue etc, by cutting the above mentioned foods. I have lost little weight and was told that my health would not improve until I lost substantial weight. This has proven not to be true. And I believe the simple diet change has made all the difference, which rather contradicts the assertions that weight in itself causes the health issues.
The only thing I do have issue with are the nutritional guidelines of HAES. Although well meaning, and the right direction, a more paleo way of eating, is from my own research better than following the traditional low fat, high carb dogma. Natural foods, no grains and little or no dairy has worked wonders for me, and even if I didn't lose another lb, I would continue to eat this way for health.
Though talking about this break from the nutritional concepts of HAES, will get you thoroughly ignored on a certain fat acceptance forum - not so accepting!
I know of no canonical
I know of no canonical nutritional guidelines for HAES and I know that there is diversity in what people do and recommend.
The principles put out by ASDAH state: "Promoting eating in a manner which balances individual nutritional needs, hunger, satiety, appetite, and pleasure."
I think (but might be wrong) that what you've experience on HAES boards is that many of the people there do not want to have any kind of diet talk because of past abuse and personal histories. I long for a day when "diet" means the composition of what we eat and not "way to lose weight." I'm encouraged by the number of younger people who are not dieting and I hope someday the trigger of the word "diet" and discussions of different regimens will not be so emotionally charged.
My personal stance is that what people eat should be a matter of personal choice. Beyond that I am open to great variations, but I understand some choices work better than others.
I'm glad you found something that worked for you and that you are concentrating on health not weight loss.
A good scientist always challenges his assumptions
I thoroughly enjoyed this. I am so tired of reading about how the newest study proves X. One study is interesting, two studies, nice. Three studies, intriguing. Four, okay, now maybe we need to think about this. Five, six, seven, eight...now we are starting to take note.
As you have pointed out, cause and effect is extremely difficult to establish especially when it comes to human nutrition and health. In fact, much of what we think we know comes from epidemiological studies that says X population eats lots of Y therefore it must cause and/or prevent Z. Okay, great, that's a wonderful place to start. But the truth is there are so many factors that affect health and most health issues are progressive and don't occur at one point in time. Also, it is very hard if not impossible to isolate variables in human studies.
No one is saying obesity isn't (at least in some individuals) related to health problems...but there is a huge difference between saying that obesity increases the chance of developing diabetes in individuals who are already genetically predisposed and saying that obesity causes diabetes. Likewise, there is a big difference between saying sugar causes diabetes (which is false) and saying that empty calories like sugar may contribute to obesity in some individuals which may contribute to the development of diabetes in individuals who are genetically pre-disposed which is what the general consensus seems to be.
People like simple answers. We know this, and why the diet and supplement industry is soooo lucrative, but teasing out the effects of various behaviors is extremely difficult given even short periods of time...let alone the entire lifespan.
I think as scientists and health practitioners we need to take the newest science into consideration but see it for all it's weaknesses. We need to look at disease as a complex process and start focusing on promoting a comprehensive wellness that does not simply address one factor. We need to follow the evidence the best that we can and try to draw meaningful conclusions when we can, but not at the expense of good science and meaningful and relevant applications.
When I read a study, I think about it then I relate it to the thousands and thousands of studies out there and try to put it into perspective. Science is slow and inexact and people don't like that. It isn't sexy or flashy and I think the media wants it to be and as a result we get this constant influx of information misrepresented and twisted usually for someone's financial gain.
There is a huge difference between science and "religious" dogma, yet many ideas become "religion" to the folks who buy into the premise and these individuals then get offended by anyone who challenges their "god". Science, good science, doesn't allow for dogma. Science must evolve and adapt and be willing to grow and change, it needs to be willing to reject its premise.
I think this is a very thought provoking post, one I have shared and will continue to share. For those who can't see the real message here, perhaps you need to look deeper and ask yourself if you are more interested in following science or theology. I will admit both have their advantages and drawbacks and maybe we have to be willing to accept some level of theology in the absence of proof simply because we don't know it all, but to mistake theology for science is to diminish the very idea of science.
In a nutshell, even if we can link obesity to health problems, how do you tease out the effects of obesity from the behaviors that led to obesity and if that is the case, maybe the behaviors regardless of weight are to blame. Simply targeting obesity is a very bad place to be. I personally fear where this is taking us for many reasons. But mostly because in the end, if our only focus is obesity rather than making the healthiest choices we can, I think we are missing the point of targeting obesity in the first place.
Just my 25 cents. Appreciate this post for what it is. Thanks.
Shaun
thanks Shaun. Well said and
thanks Shaun. Well said and worth a lot more than 25 cents.
Oh...and I forgot to mention
I forgot to mention I became a big advocate for HAES after reading about their general philosophy. Have written posts about it on my blog and really believe until we can start to address people as wholes, and people and diseases as complex issues, we miss the point.
For those not familiar with HAES...I would strongly recommend they look into it.
Oh, and for anyone promoting their own personal weight-loss strategy, you miss the point of HAES and nutritional sciences completely.
Agenda leads to distortions
Ms. Thomas: your agenda leads you to a distortion of the facts and science. All you doi is take all the evidence of the harmful effects of obesity and find fault with them. Without regard for the mechanism by which it occurs (undoubtedly complex) the reality --the truth --is clear:
e.g.,
"
Time Lived With Obesity Linked With Mortality
ScienceDaily (Mar. 23, 2011) — Monash University researchers have found the number of years individuals live with obesity is directly associated with the risk of mortality.
The research shows that the duration of obesity is a strong predictor of mortality, independent of the actual level of Body Mass Index (BMI). As the onset of obesity occurs earlier and the number of years lived with obesity increases, the risk of mortality associated with adult obesity in contemporary populations is expected to increase compared with previous decades.
Using data from the Framingham Heart Study, 5209 participants were followed up for 48 years from 1948. The current study however only included participants who were free from pre-existing diseases of diabetes, cardiovascular diseases and cancer.
The research showed that for those who had a medium number of years lived with obesity (between five years and 14.9 years), the risk of mortality more than doubled than for those who had never been obese. The risk of mortality almost tripled for those with the longest duration of obesity (more than 15 years).
Furthermore, the research showed for every additional two years lived with obesity, the risk of mortality increased by between six and seven per cent.
"Before now, we did not know whether being obese for longer was any worse for you health than simply being obese. However, this research shows for the first time that being obese for longer increases your risk of mortality, no matter how heavy you actually are," Monash University researcher, Dr Anna Peeters said.
"This research provides added support for all the current policy trying to prevent obesity in general. It also indicates that we should try extra hard to prevent obesity at younger ages," said Dr Peeters.
The research was undertaken by Asnawi Abdullah, Rory Wolfe, Johannes Stoelwinder, Christopher Stevenson, Helen Walls and Anna Peeters from Monash University and Maximilian de Courten from the University of Copenhagen"
In short, obesity shortens life and ther longer one is obese, the shorter the life span..
Orginal versus edited data
This is the key fact here. The original Framingham study showed a mortality benefit from "overweight" (BMI > 25) and only a slight risk from obesity (BMI > 30). Other people came along later and played with the data and started throwing out subjects they didn't like. The data on this edited list of subjects seems to show more hazard of obesity. If you stick to the original group of subjects and don't play games with the data, the data support a much lower estimate of risk from obesity.
Obesity healthy? Not.
"ScienceDaily (Nov. 19, 2010) — Mounting evidence linking childhood obesity to an increasing risk of obesity, heart disease, type 2 diabetes, and other cardiovascular and metabolic disorders in adulthood is clearly presented in a comprehensive review article in the current issue of Childhood Obesity, published by Mary Ann Liebert, Inc. "
Yes, some obese people are healthy?
" It is common to find obese people -- even morbidly obese people -- who are healthier than their condition would normally allow.
Working with subjects with a body mass index of about 56, a team of researchers in Spain and Cambridge investigated the inflammatory and insulin signalling pathways in the patients' visceral adipose tissue and have published their findings in the Disease Knowledge Environment of the Biochemical Journal.
Barbarroja et al. found that the 'healthy' obese lacked an inflammatory response that was found in the unhealthy, insulin-resistant, obese.
The reason, they suggest is that there are pathways common to obesity yet unrelated to insulin resistance and pathways that lead to insulin resistance for a similar degree of obesity. It is the inflammation response that effects insulin resistance, through the expression of the cytokines interleukin 1β and interleukin 16.
Professor Peter Shepherd, Chair of the Editorial Board of the Biochemical Journal, said: "This is a very interesting finding and provides important clues as to why some obese people go on to become diabetic while others do not. It will be interesting to see if similar correlations exist with other diseases associated with obesity, such as cancer and heart disease."
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