Testosterone causes belly fat during menopause

Visceral fat, usually known as belly fat, is the fat surrounding internal organs around the waistline. Commonly thought to be a function of age, research from the Rush University Medical Center shows that it is in fact a change in hormone balance that causes an increase in visceral fat during menopause.

The study measured fat content in patients' abdominal cavities with CT scans, and blood tests gauged hormone levels. Findings revealed the the level of "bioavailable" testosterone, or testosterone that is active in the body may be the key predictor of visceral fat.

The study broadens an understanding of the role of the hormone testosterone in what is known as metabolic syndrome, a collection of risk factors for heart disease. Increased risk of cardiovascular disease in postmenopausal women was long thought to be caused by the loss of the protective effect of the hormone estrogen. According to Imke Janssen, lead author of the study, "...it is the change in the hormonal balance - specifically, the increase in active testosterone - that is predominantly responsible for visceral fat, and for the increased risk of cardiovascular disease."

News source: http://www.healthjockey.com/2009/08/22/experts-discover-testosterone-may-be-responsible-for-belly-fat-during-menopause/

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