Why insurance requires an 8 a.m. testosterone test and what causes hand numbness and locking fingers.

A new study led by researchers at The University of Texas MD Anderson Cancer Center found that prostate cancer patients with low testosterone levels may have a higher risk of cancer progressing to a ...

Lady Gaga was right all along: You were born this way. In what will surely prompt schoolyard kids around the globe to start comparing their hands in between rounds of monkey bars, a new review out of ...