Biohackers are embracing Tasso+, a button that draws blood without a needle and measures testosterone, as the market for DIY health tracking grows.

Study published in JAMA estimates that about 1 in 4 active-duty male soldiers has a single morning testosterone measurement ...

Report released after Defense Secretary Pete Hegseth orders all male troops ages 30 and over to test for testosterone ...

Experts explain how strength training, protein and sustainable lifestyle changes can support healthy testosterone levels ...

A 19-year-old "transgender" suburban Chicago resident is in custody after law enforcement thwarted an alleged mass shooting ...

Women are turning to male hormone to alleviate symptoms like brain fog and mood swings but concerns over safety and dosing persist ...

Former military doctors say the new policy won’t do what the Pentagon wants. Troops worry it will affect their careers.

Approximately one-in-four active-duty male U.S. Army personnel may have a morning testosterone measurement below a commonly ...

Approximately 1 in 4 active-duty male U.S. Army personnel may have a morning testosterone measurement below a commonly used ...

A JAMA study by Pennington Biomedical found that roughly 1 in 4 active-duty male U.S. Army personnel tested below standard ...

For a long time, differences between females and males were mainly associated with the reproductive organs. Yet organs that ...

One-time testosterone testing of troops found that 100,691 active-duty soldiers had morning screening levels below the ...