"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WORKING OUT REGULARLY has a profound effect on all aspects of your health, including your heart and ...

Does Working Out Increase Testosterone? This article was reviewed by Felix Gussone, MD. Lift heavy and regularly, and you’ll grow huge muscles—and chiseled, built men surely have sky-high testosterone ...

Everyone's talking about testosterone lately, but do we really know what it is? It's a hormone produced primarily in the ...

Testosterone replacement therapy (TRT) is a common treatment for easing symptoms of low testosterone (hypogonadism) in men. These symptoms include ED, low libido, fatigue, muscle loss, and depression.

Testosterone, the primary sex hormone in men, plays a vital role in male reproductive development and function, as well as other functions like bone density and muscle mass. Testosterone levels ...

Everyone produces testosterone, regardless of sex. Not only is it a pivotal hormone in development (particularly for males) and for masculine characteristics, it's also essential for muscle growth, ...

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 ...