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. Receive Mayo Clinic news in your inbox. Sign up Related ContentArticleArtificial intelligence shows that social isolation impacts cardiovascular age and mortality rateArticleNavigating the complexities of exercise, sports and complex cardiac disease for patients with active lifestyles VID-20450112 Medical Professionals Mayo Clinic Expert Says Heart Disease From Unnecessarily Treating "Low T" Serious Concern