Medically reviewed by Femi Aremu, PharmD Key Takeaways Testosterone cypionate is mostly used to treat low testosterone in men ...

Add Yahoo as a preferred source to see more of our stories on Google. Kade was 21 years old when he started injecting testosterone. On the surface, he looked like the picture of health, but he didn't ...

Researchers say testosterone replacement therapy (TRT) could trigger atrial fibrillation if levels of the hormone swing ...

Sat, January 10, 2026 at 12:57 PM UTC If you have a fear of needles, the thought of regularly injecting yourself at home with testosterone to treat diagnosed low T can be off-putting — if not ...

Testosterone replacement therapy comes with serious and potentially irreversible health risks including infertility and early heart disease ...

Doctors say the rare case involved a man with Klinefelter syndrome who developed psychosis after about a year of testosterone injections.