1. The Importance of Testosterone
... the blood, and the blood acts upon the whole organism" (Berthold, 1849). In 1889, a Harvard professor (Brown), decided to inject himself with substance containing extracts from guinea pig and dog testicles; he called this concoction a "rejuvenating elixir " (Brown, 1889). Brown published in The Lancet that his energy, vigor, and overall health were restored, but the effects did not ... in Chemistry. Following this, Allan Kenyon's group showed that testosterone raised nitrogen retention (important for anabolism); they also showed androgenic and anabolic effects of testosterone propionat...
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