A viral Twitter post from April 9 claims testosterone levels have dropped by almost 50% over the past 20 years. "Here's a cheery Friday fact," reads the post. "An average 22 year-old (sic) male today ...

Testosterone is arguably one of the most essential hormones for supporting men’s health. It plays a role in supporting intimate, bone, muscle, and mental health. Testosterone levels that are higher or ...

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As men age, testosterone levels decline, and decreased testosterone levels are associated with increased risks of osteoporosis, metabolic syndrome, type 2 diabetes mellitus and mortality. Nevertheless ...

Sheffield Hallam University provides funding as a member of The Conversation UK. Testosterone is the main sex hormone in men. It’s best known for its role in the development of male sexual ...