"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.

A gene known as ACTN3 (α-actinin-3) has earned the nickname “the gene for speed,” and it may have an influence on how androgens work through the androgen receptor to maintain muscle mass. Research has ...

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 ...