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Results 1 - 2 of 2 for Decreased serum testosterone concentration
  1. NIH-Supported Trials Test Hormonal Therapy in Older Men with Low Testosterone Levels From the National Institutes of Health (National Institute on Aging)  
    Men's Health/Statistics and Research ... Men's Health ... Sexual Problems in Men/Statistics and Research ... Sexual Problems in Men ... National Institute on Aging ... Testosterone ...
    https://www.nih.gov/...nal-therapy-older-men-low-testosterone-levels - External Health Links
  2. Anabolic Steroids and Other Appearance and Performance Enhancing Drugs (APEDs) From the National Institutes of Health (National Institute on Drug Abuse)  
    Anabolic Steroids/Learn More ... Anabolic Steroids ... National Institute on Drug Abuse ... Anabolic steroids are synthetic variations of the male sex hormone testosterone. ...
    https://nida.nih.gov/research-topics/anabolic-steroids - External Health Links