LA Times Studios may earn commission from purchases made through our links. Most men don’t wake up one morning feeling “low T.” Instead, it’s a gradual drift. A little less drive in the gym, a longer ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: In the U.S., testosterone is a controlled substance, so you’ll ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Testosterone does more than drive puberty. It influences drive ...

Please provide your email address to receive an email when new articles are posted on . In a large cohort of men, pre‐diagnostic use of metformin and testosterone replacement therapy was associated ...

In 2014 Time magazine ran a cover story titled Manopause?!, documenting the rise of the $2 billion testosterone industry, which marketed the hormone as a way to fend off age-related declines in sexual ...

Similar to monthly hormonal cycles that many cisgender women experience, cis men also experience hormone cycling with testosterone, a masculinizing sex hormone. Rather than monthly cycles, though, ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...

Some men naturally have a lower testosterone level than others. Others have low testosterone due to age, genetics, lifestyle, or dieting. While low testosterone levels can be devastating to any man’s ...