Obesity
A study published in 2006 in the National Institutes of Health showed a direct link between male obesity and infertility. The study suggests that even a 20 pound increase in a man’s weight can affect their infertility by up to 10 percent. Other recent studies have shown that the quality of the sperm in an overweight man suffers in comparison to that of a man with a healthy weight. Hormonal changes in overweight men might also contribute to sperm issues.
Dealing with infertility issues is always complicated and emotional, regardless which in the partnership is afflicted. For men, the best way to remain fertile is to stay fit and live a lifestyle that is free from unhealthy habits.
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Sallmen M, Sandler D, Hoppin J, Blair A, Baird D. Reduced Fertility Among Overweight and Obese Men. Epidemiology. Volume 17(5), September 2006.
5 things you can do to prevent infertility. (2011). Retrieved from http://attainfertility.com/article/prevent-infertility
Causes of infertility. (2011, September 09). Retrieved from http://www.mayoclinic.com/health/infertility/DS00310/DSECTION=causes