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The Virility Paradox

Name: The Virility Paradox
Brand: BenBella Books
Price: 42.75 AUD
Availability: BackOrder

The Vast Influence of Testosterone on Our Bodies, Minds, and the World We Live In

By: Charles J. Ryan

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Paperback | 11 August 2026

At a Glance

Format
Paperback

Dimensions(cm)
22.86 x 15.24

Paperback

$42.75

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From mandatory testing for military personnel to the prevalence of “Low T” clinics, testosterone keeps showing up in headlines, but the profound effects this hormone has on our lives are nothing new.

A scientific exploration of men's health, TRT, and human behavior, The Virility Paradox reveals the vast and often unexpected influence this powerful hormone has on our minds, our relationships, and our society.

The brain of every man—and every woman—is shaped by this tiny molecule before birth. It fuels our drive for exploration, risk-taking, competition, creativity, and survival. The effects of testosterone permeate the traditions, philosophy, and literature of every known culture. Without it, the world would be drastically different.

Testosterone also plays a role in humanity's darker side, contributing to violence, hubris, poverty, crime, and selfishness. Its effects can reduce compassion, generosity, and even the affection we show our children, shedding light on long-held assumptions about masculinity and male psychology.

In The Virility Paradox, internationally renowned oncologist and prostate cancer researcher Charles Ryan explores the remarkably complex biological system responsible for a diverse spectrum of human behaviors and health outcomes in both men and women. Over decades of treating patients with hormone depleting treatments, Ryan observed profound and diverse changes in many individual’s perspectives on their lives, relationships, and emotional well-being.

Drawing on neuroscience, evolutionary biology, and stories of real men and women, Ryan explores:

The link between testosterone and conditions like dementia, autism, and cancer
Surprising outcomes of using hormone replacement therapy and what these treatments reveal about the brain
How hormone biology influences every choice we make, from crime and investing to parenting and relationships
The significant role hormones play in an individual’s anxiety, mental health, fatigue, libido, longevity, and more
The biological underpinnings of sexual assault

Integrating the molecular and the medical, sociology and storytelling, The Virility Paradox offers a fascinating look at how one hormone has shaped history, and the connections between our biology, our behavior, and our best selves.

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