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

A clinical study of 65 men found testosterone injections improved libido for people with diabetes. The study's lead author said the findings were the first to show improvement from testosterone in a ...

Dear Dr. Roach: My 75-year-old husband was frustrated with not being able to retain an erection. He talked to his doctor about it, and she prescribed 200 mg of testosterone cypionate, which he would ...

DEAR DR. ROACH: My 75-year-old husband was frustrated with not being able to retain an erection. He talked to his doctor about it, and she prescribed 200 mg of testosterone cypionate, which he would ...

Add Yahoo as a preferred source to see more of our stories on Google. Actor Dax Shepard has spent years talking openly about sobriety, building his highly successful Armchair Expert podcast around an ...

Dax Shepard opened up about his use of testosterone injections in a new episode of his podcast, "Armchair Expert." Shepard revealed that he was using the shots after guest Ashton Kutcher complimented ...

Association of polymorphism in YB-1 regulating androgen receptor V7 expression with efficacy of androgen-deprivation therapy in metastatic prostate cancer. This is an ASCO Meeting Abstract from the ...