Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent ...

Testosterone peaks in young men around age 19, then stabilizes, and typically starts to decline between the ages of 30 and 40. Within different age groups, total testosterone levels range widely, ...

Medically reviewed by Kelly Wood, MD Testosterone levels peak during male puberty and decline with age in both males and ...

Medically reviewed by Kelly Wood, MD Similar to monthly hormonal cycles that many cisgender women experience, cis men also experience hormone cycling with testosterone, a masculinizing sex hormone.

People searching online for solutions to symptoms like fatigue, mood changes and low libido often find podcasts, Reddit forums and social media posts that blame low testosterone and suggest ...

The question of whether men over 50 can still build muscle concerns many fitness enthusiasts. It’s a widespread misconception ...

That unexplained exhaustion or sudden change in your body might not be just stress or aging. Medical experts are seeing more men experiencing testosterone deficiency, often without realizing what’s ...

The growing popularity of testosterone replacement therapy in the United States has sparked serious health concerns as emerging research reveals potential links between these treatments and increased ...

Testosterone is being hailed as the secret to better energy, mood, and sex drive. Here’s what experts say about when it ...