Monday, January 25, 2016

Obesity-Testosterone Link

Testosterone plays a vital role in how the body balances glucose and insulin and in fat metabolism in both males and females. Lugging excess weight around one’s middle is an especially ugly risk factor for a testosterone-estrogen hormone imbalance. Aromatase, an enzyme in fat tissue, converts testosterone into estradiol, a type of estrogen. That can result in a decrease in testosterone levels and a corresponding increase in estrogen levels, undesirable for anyone regardless of gender. The New England Research Institutes (NERI) reported a study of 1,822 men, which concluded that a man’s waist circumference is the single strongest predictor of low testosterone. It’s a two-way street: obesity can cause low testosterone and low testosterone can contribute to obesity. Snacks or meals loaded with refined and processed carbohydrates from white flour and sugar can trigger the biggest surge in aromatase. 

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