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

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

Women with high testosterone may have symptoms like acne and facial hair growth. You may also experience thinning hair, a deepening voice, irregular periods, and more. The most common cause of this is ...

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 ...

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 ...

Things weren't going well for Tristan Logan last winter, physically or mentally. The 55-year-old, an avid weight lifter with a black belt in tae kwon do, was tired and weak. The amount of iron he was ...

Men with higher testosterone levels may be more sexually active and likely to cheat on their partners. Testosterone has long been linked with promiscuous behaviour among men. Now a study has found ...

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 ...

You can almost hear Gordon Gekko cheer. Financial traders are widely seen as filthy rich, brash, and, well, ballsy. Now it turns out that there’s cash in those cojones. According to new research from ...

— -- 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 ...