All About Testosterone

Testosterone is far more than the stuff of the alpha male's swagger. It is present in both sexes and individual levels are correlated with language and cognitive abilities, not just with aggression and sex drive. Testosterone fluctuates according to age and life circumstance, often plummeting at the onset of parenthood, and spiking (for some) during moments of triumph.

Recent posts on Testosterone

How the Brain Determines Sexuality

It has been known for a long time that early exposure to testosterone has a powerful influence on later sexuality. Now we are beginning to understand how this might come about.

Animal Anger

Anger is the impulse to go toward a threat instead of running from it. A surge of testosterone overrides the cortisol. Here's how to relieve those threatened feelings.

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.

Estrogen Promise

By Robert J King Ph.D. on April 11, 2017 in Hive Mind
Have the rumors of the death of testosterone been somewhat exaggerated? In a word: Yes.

Why Do Some Men Get Premature Championship Tattoos?

By Kevin Bennett on March 22, 2017 in Modern Minds
Why do some men get premature championship tattoos? Here are four reasons why you might go for some skin art that predicts a successful season for your favorite team.

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
SpeedKingz/Shutterstock

Why Do Women Live Longer Than Men?

Is the "Y" chromosome doomed?

Did a Drop in Testosterone Civilize Modern Humans?

By Nathan H. Lents, Ph.D. on January 09, 2017 in Beastly Behavior
Changes in the human face over the last 100,000 years may indicate a reduction in testosterone. This may have been key to the emergence of modern civilization.

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?

What Your Pillow Talk Can Tell You About Your Relationship

How is what your behavior after sex connected to your relationship satisfaction or the hormonal influences of sexual activity?

The Neuroscience of Finger Length Ratio and Athletic Prowess

By Christopher Bergland on October 14, 2016 in The Athlete's Way
Neuroscientists have found a correlation between finger length ratios and brain function. A new study reports that having a shorter index finger may indicate athletic potential.

Does Preventing Male Baldness Cause Depression?

It reads like a Performance Enhancing Drug exclusion....

Schizophrenics as Hyper-domesticated Humans

As predicted by the diametric model of mental illness, if autistics are hypo-domesticated, schizophrenics are hyper-domesticated.

The Effects of Performance Enhancing Drugs on Men, Part 1

By Paul Joannides Psy.D. on September 01, 2016 in As You Like It
It doesn't matter if he's a high school athlete or an MME Champion who just won a $2.5 million purse, PEDs can permanently impact fertility and sex drive.

Testosterone Plummets With Fatherhood... Maybe

Dads beware: Does fatherhood impact your hormones?

A Downside for Trophy Wives: Sexually Diminished Husbands

By Robert D. Martin Ph.D. on August 09, 2016 in How We Do It
Increasing reproductive problems with age are by no means confined to women. Clear evidence of similar drawbacks for men has been widely ignored. Trophy wives pay a high price!

The Psychology of Betrayal

Evolutionary psychologists go as far as arguing we may have some kind of psychological modules built into our brains to detect betrayal.

Presidential Debates - The Medium Matters

Whether watching on tv or listening on the radio, how you hear a presidential debate might change who you think won.

A Surprising Hormone Is Important for Sexuality in Women

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

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.

Art Is More About Work Than Sex

By Nigel Barber Ph.D. on April 07, 2016 in The Human Beast
The sexual exploits of male rock stars is legendary and their sexual magnetism draws an endless supply of enthusiastic female partners. So do men get creative for sex?

What, Exactly, Is Gender Equality? It’s Not Numbers

Gender differences in behavior may have a biological as well as a social determinant. Can we envisage a time when we accept these as true examples of individuality?

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.

The Role of the Penis in Republican Politics

By Fredric Neuman M.D. on March 06, 2016 in Fighting Fear
Is there a hidden agenda in the back and forth between Donald Trump and Marco Rubio about genital matters? Does the talk about Donald's penis imply anything about Hillary Clinton?

Without Testosterone, Would There Be War?

Testosterone is known to promote aggressive behavior and risk-taking as part of its function. Does this include a propensity to make war?

Fear, Loathing, and Denial at the End of the World

By Kenneth Worthy Ph.D. on February 29, 2016 in The Green Mind
The antics of some presidential candidates—shouting, insults, sexism, and racism—are making many people cringe. We need adults in the room to deal with society’s major problems.

How Warlike Were Our Ancestors?

By Nigel Barber Ph.D. on February 19, 2016 in The Human Beast
A recent find of hunter-gatherer war dead on the shores of Lake Turkana, Kenya, reignited an old controversy. Did our pre-agricultural ancestors fight wars, or were they peaceful?

Are There Sex Differences in the Brain?

Does your brain reveal your gender? Does it explain or validate sex differences in behaviour or social role?

Androgens, Dodgy Penis Size Data, and Differential-K Theory

Can Richard Lynn's use of dodgy data on race differences in penis size be defended with crude statistics? The answer is no. Plus, Neanderthal DNA and why it hardly matters either.

Sex, Gender, and Testosterone

By David P Schmitt Ph.D. on February 05, 2016 in Sexual Personalities
What is the relationship between hormones and gender roles?