A new study highlights a link between sexual quality of life and hormonal measures, independent from weight.

According to findings, due to be published in the Journal of Clinical Endocrinology & Metabolism, the more obese a man, the greater his hormonal changes and the worse his sex life. However, the study’s authors also found that gastric bypass surgery can help reverse those problems.

The researchers investigated the weight, body mass index (BMI) and reproductive hormone levels of 64 obese men at the start of the study and again two years later, after some of them had what’s known as Roux-en-Y gastric bypass surgery. The participants also asked to fill out questionnaires about the quality of their lives.

Lead Author, Dr. Ahmad Hammoud, of the University of Utah, said:

Previous studies have found that obesity is correlated to lower sperm count and can be associated with infertility, but we wanted to know if obesity was biologically associated with an unsatisfying sex life, and if so, could it be reversible. Our results show that the answer to both questions may be yes.

In our study population, we found that lower Testosterone levels and diminished ratings for sexual quality of life were correlated with increased BMI. Subjects who lost weight through bariatric surgery experienced a reduction in Estradiol levels, an increase in Testosterone levels and an increase in ratings of sexual quality of life.

The study authors note that further studies are needed to determine the cause-effect relationship.

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Posted by Jonathan in Biology, Sociology

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