Male Obesity may Indicate Low Testosterone Levels

by Savitha C Muppala on  May 5, 2010 at 10:57 PM Menīs Health News
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A new study has claimed that obese men could have low levels of sex hormone testosterone.
 Male Obesity may Indicate Low Testosterone Levels
Male Obesity may Indicate Low Testosterone Levels

Published in the journal Diabetes Care, the study conducted by University at Buffalo endocrinologists showed that 40 percent of obese participants involved in the Hypogonadism in Males (HIM) study had lower-than-normal testosterone readings.

The percentage rose to 50 percent among obese men with diabetes. Results also revealed that as body mass index (BMI) -- a relationship of weight-to-height-increased, testosterone levels fell.

"The effect of diabetes on lowering testosterone levels was similar to that of a weight gain of approximately 20 pounds," says Sandeep Dhindsa, MD, an endocrinology specialist in the UB Department of Medicine and first author on the study.

"In view of the fact that almost one-third of the U.S. is obese, these observations have profound pathophysiological, clinical, epidemiological and public health implications."

The study shows that obesity and diabetes may exert independent influences on testosterone concentrations.

"We published a report in 2004 on the high prevalence of low testosterone levels in men with type 2 diabetes, and multiple studies all over the world have confirmed the association of low testosterone with diabetes," Dhindsa notes.

"The Endocrine Society now recommends that all men with type 2 diabetes should have their testosterone levels measured. Our new study shows that obese men also have a very high prevalence of low testosterone levels, so physicians should consider screening obese non-diabetic men, as well, for low testosterone."

The study involved 2,165 men 45 years or older who provided blood samples for analysis of testosterone concentrations.

"With the rising prevalence of obesity in the U.S. and the rest of the world," says Paresh Dandona, MD, head of the Division of Endocrinology, Diabetes and Metabolism at UB and Kaleida Health, and senior author of the study, "it is imperative that the prevalence of low testosterone levels in obese men be defined. In addition, the magnitude of the contribution of obesity to subnormal testosterone needs to be quantified.

"We hypothesized that obese men are more likely to have low testosterone than non-obese men, and that we would find more low testosterone levels in men with diabetes than in men without diabetes, both obese and non-obese."

Source: ANI
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