Testosterone Increases Found in Obese Men who Exercise

Testosterone is an important hormone for energy and well-being in men. Recent studies show that exercise can increase the production of the hormone in overweight men.

With age comes a reduction in testosterone levels. With that reduction come a number of things – reduced sex drive, depression, weight gain, and a loss of bone density. A new study indicates that for overweight or obese men, a 12-week exercise program could significantly raise the levels of the hormone.

Hiroshi Kumagai of Tsukuba University in Japan, along with his colleagues, presented the study findings at the American Physiological Society’s Integrative Biology of Exercise VII Meeting in Phoenix, AZ.

According to the Mayo clinic, beginning at age 30 or 40, testosterone levels begin to fall at a rate of about 1% per year.

One of the biggest risks for low testosterone levels, according to Kumagai and his colleagues, is obesity.

For the study, 44 male participants were studied. 28 were overweight or obese and 16 were of a normal weight. None of the men engaged in regular exercise.

All men were required to take part in an aerobic exercise program that involved 40-60 minutes of walking or jogging 1 to 3 days a week for 12 weeks.

Testosterone levels were measured before and after the program.

The program did not have an impact on the testosterone levels of the normal-weight men. However, those men who were overweight or obese saw a significant rise in their testosterone levels.

Those who exercised more vigorously saw the most significant increases.

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