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.

A fear of needles in a medical setting (often called trypanophobia when it’s more severe) is common and can make TRT injections feel intimidating, but understanding why it happens can make it easier ...