Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

Modern life is waging a quiet war on male hormones; discover the overlooked environmental and lifestyle triggers that a top urologist says are fueling today's testosterone crisis.

A recent episode of the hit Hulu comedy "Only Murders in the Building" highlights a hormone therapy that many men request as they get older. Steve Martin’s character, Charles-Haden Savage — a ...

The personal trainer and content creator, who shares his fitness progress online, started the therapy when he was only 18 out of “insecurity.” “I was really lanky — I’m six foot three — and very ...

We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...

Share on Pinterest New research finds that men with low testosterone may be at a higher risk of cardiovascular disease and death. Hirurg/Getty Images A study has found that low testosterone in men was ...

Q. I would like to know more about the use of testosterone replacement in men. My understanding is that a recent large-scale study showed that men using testosterone replacement therapy did not have ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...

America's birth rate has been on a steady decline since 2007, and pronatalists − both in the White House and out − are determined to raise it. But an underdiscussed obstacle might be standing in the ...

They’re seeing gains — but at what cost? Amid the “looksmaxxing” boom, young men are bulking up by “testosterone-maxxing,” which refers to using testosterone replacement therapy (TRT) or natural ...