Age Trends in the Level of Serum Testosterone and Other Hormones in Middle-Aged Men: Longitudinal Results from the Massachusetts Male Aging Study: The Journal of Clinical Endocrinology & Metabolism: Vol 87, No 2 - 0 views
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Nathan Goodyear on 11 Aug 14MMAS study finds an age associated decline in Total Testosterone and free Testosterone levels. This study focus on the % decline based on other variables i.e. age, BMI...IN contrast, a 3.5% rise in DHT levels were observed. There is debate about the correlation of serum DHT and intra-tissue DHT. In fact, studies suggest there is little correlation.