re: Testosterone Levels are decreasing 1+% per year and has been since the 80s

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According to Harvard Health Publications, obesity is linked to low testosterone levels in men. A 4-inch increase in waist size increases a man's odds of having low testosterone by 75%, while 10 years of aging increases the odds by 36%


Yes, obesity can increase estrogen levels in men. This is because obesity increases aromatase activity, which converts testosterone to estradiol. This results in decreased testosterone and increased estrogen levels. The increased estrogen levels can intensify the metabolic effects of estrogen receptor beta.

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