A recent study has somewhat alarming news for men: testosterone levels have been on a slow and steady decline over the years. So why is it happening, and what are the subtle signs your body may be ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone production and sensitivity to testosterone. Genetics are responsible for ...

Testosterone therapy is on the rise as men seek more energy and vitality, revealing shifting views on aging and modern masculinity.