The FDA is investigating the risk of heart attack, stroke and death in men using FDA approved prescription testosterone products. A study by the National Cancer Institute and a study published in the Journal of The American Medical Association (JAMA), in November of 2013, prompted the FDA investigation. The studies showed that three months after beginning "low-T" treatments with testosterone therapy drugs, the risk of heart attack doubled among men over 65 and younger men with a history of heart disease.
Testosterone Replacement Therapy Side Effects: