Matt Kaeberlein, a longevity researcher and CEO of Optispan, had symptoms of low testosterone. He got his levels tested in his 50s and gradually began testosterone replacement therapy (TRT). He said ...

This article was reviewed by Kelly Brown MD, MBA. Like other medications that affect your hormones, taking testosterone comes with potential risks, and infertility may be one of them. Testosterone is ...

After months of trying—and failing—to boost it, she read a pamphlet in a doctor’s office about the effects of low ...

Planning to take a break from natural testosterone boosters? Perhaps you’re worried about the consequences of doing so. You may be wondering, “What happens after I stop taking testosterone supplements ...

America's birth rate has been on a steady decline since 2007, and pronatalists − both in the White House and out − are determined to raise it. But an underdiscussed obstacle might be standing in the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." About one in eight Americans have taken a glucagon-like peptide-1 (GLP-1) agonist medication, like ...

Here’s when and why experts think testosterone should be prescribed to middle-aged women, and how it affects their lives. By Susan Dominus Testosterone use has recently exploded among middle-aged ...

People receiving testosterone have anecdotally reported that they became more physically active. If you are clinically low in testosterone—usually levels that test below 300 nanograms per deciliter ...