Mayo Clinic expert says heart disease from unnecessarily treating "Low T" serious concern Oct. 08, 2014 Overview Show transcript Overview Low T — health risks of testosterone therapy — Mayo Clinic. William F. Young Jr., M.D. Share Doximity Facebook LinkedIn Twitter Print details Receive Mayo Clinic news in your inbox. Sign up VID-20450112 Medical Professionals Mayo Clinic Expert Says Heart Disease From Unnecessarily Treating "Low T" Serious Concern