Obesity Linked to Low Testosterone in Men

Obesity in men has been tied to lower than normal testosterone levels, according to a new study.

A new study found that obese men could be affected by low testosterone levels.

Researchers at the University of Buffalo found that 40 percent of obese men had testosterone levels that were lower than normal. The rate rose to 50 percent among men who are both obese and diabetic, and testosterone levels decreased further as the men’s body mass index (BMI) increased.

“The effect of diabetes on lowering testosterone levels was similar to that of a weight gain of approximately 20 pounds,” said Dr. Sandeep Dhindsa, lead author of the study and an endocrinology specialist. Low testosterone can cause decreased sex drive, mood swings, fatigue and even sleep disturbances.

This latest study is the largest analysis of the relationship between obesity and low testosterone, and the first study of its kind that compares the occurrence of low testosterone levels with both obesity and diabetes. Findings indicated that obesity and diabetes may influence testosterone independently. Results of the study appeared in the journal Diabetes Care.

The Endocrine Society now urges all men with type 2 diabetes to test their testosterone levels and, according to researchers, even younger men should be tested for low testosterone.

Researchers say that it is important to conduct further studies among men who are in their prime reproductive years to determine the full impact that obesity can have on testosterone levels.

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