"The next station is...Summit." My eyelids slowly rise, contacts dry and stuck to my eyes. I grab my bag full of sweaty training gear from that morning's threshold ride and stand up. Whoa. I feel ...

Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

Q. You recently wrote that testosterone does not increase the risks for heart attacks. But you overlooked the real risk of testosterone therapy: cancer!

I was diagnosed with cystic fibrosis (CF) at birth. My sister was born a year before me, and she passed away three days after birth. During her autopsy, the doctors found that her death was a result ...

To test the claims around vegan health, Matt committed to a strict 30-day vegan diet with blood work done before and after.

(CNN) — You’re feeling unusually tired and sad, and your interest in sex has dropped off. That’s no fun. If you’re a guy, you may be thinking you have low testosterone. Wait a minute. Don’t we all ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. An at-home testosterone test can help people monitor ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. You’re feeling unusually tired and ...

“ I wanted to better understand my testosterone levels as someone who lives with PCOS and wants to better manage the symptoms of my chronic condition. “ I love how simple the test was, they offer a ...