DEAR DOCTOR K: I’ve been having symptoms that may be caused by low testosterone. I figured it would be easy to test my testosterone levels, but my doctor says it’s complicated. Why? DEAR READER: ...

Dear Dr. K: I”ve been having symptoms that may be caused by low testosterone. I figured it would be easy to test my testosterone levels, but my doctor says it”s complicated. Why? Dear Reader: ...

Researchers at the University of Southern California (USC) have managed to grow human, testosterone-producing cells in the laboratory, a development that could lead to improved treatment of low ...

The first peak occurs in the morning, and the second peak (not as high as the morning) occurs in the afternoon, with your testosterone level gradually dropping by the end of the day. Lab companies ...

Hormones like testosterone, cortisol, melatonin, and more directly influence men’s mood, energy, and sleep quality. Hormonal ...

More women are asking about testosterone therapy. Here’s what the science shows, the risks to know, and who may benefit from treatment.

BIRMINGHAM, Alabama -- OK, this is sort of weird. Lab mice and rats are seriously stressed out by male researchers, while female researchers have no ill effects on them, according to University of ...

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 ...

Dear Doctor K: I’ve been having symptoms that may be caused by low testosterone. I figured it would be easy to test my testosterone levels, but my doctor says it’s complicated. Why? Dear Reader: ...