Hormones 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.

From Stress to Genes, Baboons to Hormones

By Marty Nemko Ph.D. on February 04, 2017 in How To Do Life
An Interview with Robert Sapolsky

How Testosterone Affects What Men Find Attractive

By Robert Burriss Ph.D. on December 21, 2016 in Attraction, Evolved
Testosterone, the male hormone, has well-known effects on muscle growth and competitiveness. But can it also affect how men perceive women's faces?

The Dark Side of Oxytocin

Normally thought of as purely positive in its effects, oxytocin is also implicated in religion, nationalism, and xenophobia.

Do My Gut Bacteria Make Me Look Fat?

Can we manipulate our gut bacteria to help shed a few pounds?

Testosterone Plummets With Fatherhood... Maybe

Dads beware: Does fatherhood impact your hormones?

Attenuation of Arousal: The Linchpin of Emotional Regulation

By Tom Bunn L.C.S.W. on August 10, 2016 in Conquer Fear Of Flying
Stress hormones grab our attention and prepare us to run or fight, in case action is required. Thereafter, arousal needs to be sharply reduced so we can assess the situation.

Are the Results of Animal Therapy Studies Unreliable?

By Hal Herzog Ph.D. on August 04, 2016 in Animals and Us
Most studies of oxytocin ("the love hormone") do not have enough subjects to produce valid results. Unfortunately, this is also true of animal-assisted therapy research.

Kids’ Sports as a Window Into Human Nature

The dark side of kids’ sports is as dark as human nature gets. Evolutionary psychology can explain why.
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The Woman Who Changed Hormone Research

How did one scrappy, stubborn, determined woman change the landscape of hormone research?

Making Art Can De-Stress You—Even If You're Lousy at It

Making art may lower our stress hormone levels, a new study finds—no matter what skills we bring to the table.

A Surprising Hormone Is Important for Sexuality in Women

Women are not as free from the effects of hormones as once was thought.

Fat Is More Than Just Flab

White fat is more that a layer of greasy energy stores. It has a surprising amount of other actions, including the production of several very powerful hormones.

Gut Instincts

Can you "catch" obesity from the food you eat? Obesity as an infectious disease
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Stress Interferes With the Rhythm of Life: Why This Matters

Stress can alter the rhythm of the body, particularly because it changes the daily pattern of the hormone cortisol. This may be why it also increases the risk of mental illness
RandiHutterEpstein

Dogs and Breasts Boost the Same Hormone?

Did breastfeeding & now puppies feed my happiness hormones? Small studies suggest so.

How Stress Can Damage the Brain

Stress, partly because it activates cortisol, can have damaging effects on the brain. Why is this?

The Myth of the Glowing New Mother

By Darby Saxbe Ph.D. on February 11, 2016 in Home Base
Postpartum depression is real. Does it come from a mismatch between modern society and the demands of motherhood?

Why Stress Is Both Good and Bad

What are the pros and cons of stress and how can we cope with feeling stressed out?

Where’s the Nearest Starbucks? Sex Differences in Wayfinding

By David P Schmitt Ph.D. on January 09, 2016 in Sexual Personalities
Are there really evolved sex differences in cognition?
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The Preservation of Human Energy Through Aging

By Mario D Garrett Ph.D. on December 15, 2015 in iAge
What does aging teach us about how the body preserves energy?

Do Social Odors Build Cities?

By Gayil Nalls Ph.D. on October 02, 2015 in Sensoria
Is your smell communicating everything about you, from your state of mind to the foods and drugs you take? Learn how the invisible sense of smell influences every aspects of your daily life.

Are Transgender Women Just Reinforcing Sexist Stereotypes?

By Deborah L. Davis Ph.D. on September 15, 2015 in Laugh, Cry, Live
Would transgender women, like Caitlin Jenner, exist if men were free to wear dresses? Modern brain research reveals what influences gender identity and expression.

When Is the Best Time to Give Birth?

By Robert D. Martin Ph.D. on September 14, 2015 in How We Do It
Medical intervention in human birth is now so widespread in industrialized countries that deliveries are seldom spontaneous. Yet with no intervention there is clear persistence of a general mammalian 24-hour biorhythm in birth hour. Is this just a carryover from ancestors that gave birth during their inactive period, or is that basic rhythm still biologically important?

Hormones Play Leading Role in Eating Disorder Risk

By Kelly Klump Ph.D. on September 08, 2015 in The Science Behind Eating Disorders
Every month, women face a recurring cycle that can throw our bodies out of whack and make some of us suffer in many ways. Not only can the ovarian hormones that drive the menstrual cycle makes us emotional, but they may be flipping switches on the genes that make some women more vulnerable to eating disorder symptoms.

Hot Enough for You? Sweating at Night Undermines Sleep

By Michael J Breus Ph.D. on August 20, 2015 in Sleep Newzzz
Don’t suffer at night because of night sweats. This soggy, uncomfortable experience will interfere with how much sleep you get, and how well you sleep.

How to Completely Change How You Think About Menopause

If you are a woman anywhere near 50, you either just went through menopause or you are going to go through it within the next five years. How is that going to affect your sex life? And how will you respond chemically to new love affairs and breakups?