"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU'VE PROBABLY HEARD big guys at the gym tossing around the word "hypertrophy" when they talk about ...

The phenomenon of younger men turning to testosterone replacement therapy (TRT) to boost their "T levels" has been in the spotlight recently thanks to media reports and social media influencers.

Robert F. Kennedy Jr., now serving as Secretary of Health and Human Services under President Donald Trump, continues to face renewed scrutiny over his use of testosterone replacement therapy—an ...

YOU'VE PROBABLY HEARD big guys at the gym tossing around the word "hypertrophy" when they talk about their lifting goals — ...

Daniel Kelly does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...