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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)  
    National Institute on Aging ... Sexual Problems in Men/Statistics and Research ... Sexual Problems in Men ... Men's Health/Statistics and Research ... Men's Health ... From the ...
    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)  
    National Institute on Drug Abuse ... Anabolic steroids are synthetic variations of the male sex hormone testosterone. The proper term for these compounds is ...
    https://nida.nih.gov/research-topics/anabolic-steroids - External Health Links