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Hitting the gym may help men avoid diet-induced erectile dysfunction
Date:8/20/2013

Bethesda, Md. (Aug. 20, 2013)Obesity continues to plague the U.S. and now extends to much of the rest of the world. One probable reason for this growing health problem is more people worldwide eating the so-called Western diet, which contains high levels of saturated fat, omega-6 polyunsaturated fatty acids (the type of fat found in vegetable oil), and added sugar. Researchers have long known that this pattern of consumption, as well as the weight gain it often causes, contributes to a wide range of other health problems including erectile dysfunction and heart disease. Other than changing eating patterns, researchers haven't discovered an effective way to avoid these problems.

Searching for a solution, Christopher Wingard and his colleagues at East Carolina University used rats put on a "junk food" diet to test the effects of aerobic exercise. They found that exercise effectively improved both erectile dysfunction and the function of vessels that supply blood to the heart.

The article is entitled "Exercise Prevents Western-Diet Associated Erectile Dysfunction and Coronary Artery Endothelial Dysfunction: Response to Acute Apocynin and Sepiapterin Treatment." It appears in the online edition of the American Journal of Physiology: Regulatory, Integrative, and Comparative Physiology, published by the American Physiological Society. The article is online at http://bit.ly/13jYpED.

Methodology

For 12 weeks, the researchers fed a group of rats chow that reflected the Western diet, high in sugar and with nearly half its calories from fat. Another group of rats ate a healthy standard rat chow instead. Half of the animals in each group exercised five days a week, running intervals on a treadmill.

At the end of the 12 weeks, anesthetized animals' erectile function was assessed by electrically stimulating the cavernosal nerve, which causes an increase in penile
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Contact: Donna Krupa
dkrupa@the-aps.org
American Physiological Society
Source:Eurekalert

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