Essential Reads

The Relationship Between Waist-Hip Ratio and Fertility

In women, a low waist-hip ratio correlates with health, fertility, and attractiveness. However, a new study reveals that it may also distinguish between past and future fertility.

Can Contraceptives Affect the Health of Future Children?

Children born to mothers who were on the pill while meeting their children's father are more infection-prone

Going, Going, Gone? Human Sperm Counts Are Plunging

By Robert D. Martin Ph.D. on April 20, 2017 in How We Do It
Accumulated evidence confirms that human sperm counts have fallen markedly in industrialized countries since the 1930s. Male fertility and reproductive health are threatened.

Are the Hormones of Couples in Sync?

By Darby Saxbe Ph.D. on April 17, 2017 in Home Base
Couples can get under each others' skin, literally. Partners appear to synchronize their stress and reproductive hormone levels over time.

More Posts on Hormones

(Image by Randi Hutter Epstein): My Sleep Deprived Twins, Joey & Martha, circa 1997

Here's What a Bad Night's Sleep Really Does to Your Brain

Did you know lack of sleep shrinks a tiny brain gland? But there is a way to reverse it.
As One Girl To Another, an educational pamphlet of girls published by Kimberly-Clark, 1940 (courtesy of Duke University Rare Book, Manuscript and Special Collections Library, Durham, NC)

Racing Hormones, or Rather Racing & Hormones

Are monthly hormonal fluctuations impacting your workout?

Turbulence Injuries: Here We Go Again

By Tom Bunn L.C.S.W. on August 31, 2016 in Conquer Fear Of Flying
Apparently, each time there is an incident, I am going to have to cover the same material again. So, here we go.

Doomsday for Dogs? Are Declines in Fertility Due to Food?

By Marc Bekoff Ph.D. on August 12, 2016 in Animal Emotions
Males of five purebred dogs are showing declines in sperm motility. Are dogs "canaries in the coal mine" indicating serious environmental effects on food and reproduction?
Science Museum, London, Wellcome Images.

Are You Overcommitted?

By Peter Bongiorno ND, LAc on July 30, 2016 in Inner Source
Is overcommitment wearing you out and causing illness? There are steps you can take to rebalance

Hot Flashes Forever? Maybe

What's the deal with hot flashes?

Unmanned: An Unnatural History of Human Castration

By Robert D. Martin Ph.D. on July 14, 2016 in How We Do It
Deliberate castration, long used to punish criminals and prisoners of war, has also yielded harem guards and has been inflicted on young boys to stop their voices from breaking.

My 3-C Strategy for Menopause

Will I have hot flashes forever?

Why Does the Brain Age? Can We Do Anything About It?

Why is brain aging so individually variable? Can we do anything to delay cognitive decline?

Assessing Risk: Why It Troubles Us, and Why We Do It Poorly

A risk may seem significant even though it has never happened. Something that has happened only once can drive us up the wall. Why?
Pixabay Public Domain

Transgender choices: "I Think I'll Keep My Penis"

By Monica N. Starkman M.D. on June 09, 2016 in On Call
Shall I keep my penis? This is only one of many difficult choices transgender people must make.

How to Make Your Workout More Effective Against Stress

By Marlynn Wei M.D., J.D. on June 07, 2016 in Urban Survival
New study suggests that mindful walking has more benefits than traditional walking. Add mindfulness to your workout routine.

After a Crash: The Worst Mistake a Fearful Flier Can Make

Imagining the unimaginable releases massive amounts of stress hormones, and feelings of high anxiety, feelings that become pre-associated with future flying.

Sex and Gender Are Dials (Not Switches)

By David P Schmitt Ph.D. on May 13, 2016 in Sexual Personalities
Science and sexual diversity: Explaining complex combinations sex and gender
Irma and Paul Milstein Division of United States History, Local History and Genealogy, The New York Public Library. "The Rossow Midgets, Midland Beach, Staten Island, N.Y. [close-up of midgets boxing in ring on boardwalk next to bandstand, large audience in background.]" The New York Public Library Digital Collections.

Measuring Up

The surprising history of the growth hormone industry

Your Hormones and Making (Or Losing) Money

We think cold logic determines how we spend or make our money. But our hormones may be influencing us in ways we don't know, if results on financial traders applies to us all.

Depression Is a Risk for Alzheimer’s: We Need to Know Why.

There is now consensus that depression is a risk for later Alzheimer's disease. But depression is not a single disorder; are there recognizable sub-types that are the real risk?

How Likely Is Your Airliner's Engine to Fail?

Airliners can fly on one engine. Since that leaves no engine in reserve, pilots are required to land immediately if over land. But what happens over water?

Why You (and Your Cat) Like Being Stroked

Stroking gives pleasure to humans as well as cats. We are beginning to know why.

Pumping Up Hormones

How hormones can explain breast pump failures

Love, Loss, and Heroic Rescue

By Kirby Farrell Ph.D. on April 05, 2016 in A Swim in Denial
Everyone wants to be rescued. For better or worse, rescue opens up romance. But it also reveals basic creaturely conflicts that define us.

The Science of Love and Attachment

Are you in love or in lust? How can you build a relationship that lasts? What do we do when the excitement goes down? An understanding of brain chemicals can provide answers.

The Future of Penis Transplants Recalls a Bizarre History

New research reveals a new twist on an old procedure.
Unassisted Childbirth,Laura Shanley used with permission

DIY Deliveries: Courageous or Crazy?

Is delivering your own baby really safer or just an extreme way to show growing distrust of doctors?

Can Psychology Explain the Sharapova Doping Controversy?

In 2006, testosterone was the single most-common banned substance detected in urine tests at World Anti-Doping Agency accredited laboratories.

Can the Brain Be Repaired? There's a Glimmer of Hope

We now know that there are parts of the brain that go on making new nerve cells throughout adult life. Does this help us find ways of repairing the damaged brain?

Like Penis Size, Hands Do Matter

By Mark Borigini M.D. on March 06, 2016 in Overcoming Pain
It has been reported that the length of a man’s ring finger is a fairly accurate indicator of his organ size.
Howard & Georgeanna, used witih permission from Jones Family

Does Leap Day Spark Romance?

How Leap Day Kindles Romance,