At its simplest level, sex is just a hormone driven function designed to perpetuate the species. With that said, the sexual health of American BlueChewmen is in trouble. Testosterone levels have been decreasing over the last 20 years. Testosterone is the primary male sex hormone. It plays an important role in maintaining bone and muscle mass. Low levels of testosterone have been linked to lowered libido and diabetes. Diabetes can affect the endothelial cells of the blood vessels compounding the problem of lower testosterone levels.

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