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

What Your Pillow Talk Reveals 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

By Amie M. Gordon PhD on June 29, 2016 in Between You and Me
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?

For the Sake of Blueberries and Sex

We Love to Believe A Good Story, Can Blueberries Prevent Erectile Dysfunction?

Varicoceles—A Common Cause of Infertility in Men

By Paul Joannides Psy.D. on January 09, 2016 in As You Like It
This common condition usually impacts the left testicle and can only be felt when a man is standing.

Are Power Over Relationships Inevitable?

By Amy Banks on January 09, 2016 in Wired For Love
“Neuroaffiliative hormones” are chemicals running through your body 24/7 that help shape your experience of being in human relationship.

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?

Is Segregation Coming Back?

Is confining women and girls to pink spaces a way to keep them safe?

Masculine Men More Likely to Give Erotic Gifts

By Robert Burriss Ph.D. on December 24, 2015 in Attraction, Evolved
Confident and masculine men are more likely to give erotic gifts, according to researchers from Canada and Brazil.

If You Give a Man a Gun: Men, Evolution, & Mass Shootings

By Frank T. McAndrew Ph.D. on December 08, 2015 in Out of the Ooze
A lack of attention from others results in a lack of status, resulting in a lack of access to women. Combined with a young man’s testosterone, it creates a toxic, combustible mix.

New Birth Control for Men

By Paul Joannides Psy.D. on December 07, 2015 in As You Like It
Sperm production and male hormones are not impacted. Fertility would return within a week after taking the drug.

Feeling Hormonal? Slap on the Makeup

By Robert Burriss Ph.D. on November 05, 2015 in Attraction, Evolved
Women use more cosmetics when their testosterone levels are high, according to new research by psychologists at the University of Glasgow.