Add Yahoo as a preferred source to see more of our stories on Google. If you're a man, you know that your testosterone can be blamed for just about anything. Or so it seems. Studies and reports have ...

Getting testosterone therapy without the right medical care is a growing problem. Here's how to know if you need TRT, and ...

BOSTON - While the male hormone testosterone is usually associated with sex drive and aggression, a new study finds that it can also promote cuddling. Neuroscientists at Emory University found that ...

A new wave of companies is making testosterone, the primary sex hormone in men that increases muscle mass and affects fertility, easier to get. According to the Cleveland Clinic, about 2% of men have ...

The common assumption about testosterone is that it makes us more aggressive and competitive. But is this the entire story? Perhaps the effect of testosterone on behavior depends on our social rank.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Here's a riddle: Taken together, a bat and a ball cost $1.10, but the ...

What Is Low Testosterone (Testosterone Deficiency)? Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age ...

The COVID-19 pandemic has had a bigger toll on men than it has on women. There has been a lot of conjecture about why this might be. One theory is that the male sex hormone, testosterone, has a ...

The eminent Stanford neurobiologist and science writer Robert Sapolsky has a 1998 collection of his highly entertaining essays on science and society called The Trouble with Testosterone. In the title ...

While a plummeting hormone level can trigger depression and irritability, experts say a modest decline can make men more ...

If you're a man, you know that your testosterone can be blamed for just about anything. Or so it seems. Studies and reports have shown that testosterone can be blamed for men being overly aggressive ...