A lagging libido in males is commonly attributed to a decline in testosterone, leading many men to hit the gym or supplement their diet in the hopes extra testosterone will give them a boost. Yet in ...

Medically reviewed by Danielle Weiss, MD PCOS is the most common cause of high testosterone in women, affecting about 10% ...

WASHINGTON -- Women with more testosterone tend to behave more like men when taking financial risks, according to a new study. "Women with higher levels of testosterone turn out to be less risk averse ...

Certain healthy foods and supplements may negatively impact testosterone levels when consumed in excess, according to experts ...

Working collaboratively in small groups is one of the primary ways that modern humans accomplish anything. But what explains whether a group succeeds? Previous research on group dynamics has ...

High testosterone levels can drastically increase a man's risk of heart failure and stroke-causing blood clots, a new study reports. Men with a genetic predisposition to high testosterone levels have ...

For those who need it—men who have low levels of testosterone with symptoms such as low energy, a low libido, and depression, ...

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

Masculine stereotypes tend to suggest that the manliest diets are ones high in protein. Manly men love meat, happily down raw eggs à la Gaston from Beauty and the Beast and fuel up on protein shakes ...

— -- Vitor Belfort was 33 years old when an Ultimate Fighting Championship doctor in Las Vegas -- whose name has faded from his memory -- diagnosed low testosterone as the cause for his feeling ...