Matt Kaeberlein, a longevity researcher, started TRT in his 50s. He said stigma and lack of information can make the process confusing.

If you’ve been feeling a little low in more than one aspect of life, you’re not alone, and chances are you’re not going crazy, either. You may be experiencing the symptoms of low testosterone.

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 ...

If you have low testosterone levels, your doctor may recommend testosterone replacement therapy with Xyosted. Xyosted is a prescription drug used in adult males* to treat testosterone deficiency (low ...

Testosterone. Even the word alone sounds manly. For men, testosterone is important for drive, fertility, heart health, bone health, energy and mood — to name just a few benefits. When you have low ...

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 ...

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 ...

TIME, a men's health company, today announced the launch of its online clinic at introducing an affordable, injection-free alternative to traditional testosterone replacement therapy (TRT). Designed ...

See how the actor has transformed himself -- going from 185 to 210 pounds -- and how his podcast guests tried to talk him out of hormones. Kutcher and Kunis were guests on the actor's "Armchair Expert ...

Testosterone can foster friendly, prosocial behavior in males, a new animal study finds. The Proceedings of the Royal Society B published the research on Mongolian gerbils conducted by neuroscientists ...