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 ...

Low testosterone can result from a variety of underlying factors. “Common causes include the natural aging process, obesity, chronic illness, genetic disorders and the use of certain medications,” ...

If any of these patterns have become a regular part of your life, it might be time to get your hormone levels checked. Testosterone affects muscle growth, energy, mood, and mental focus in men. Low ...

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 ...