MORE THAN 20 HOURS OF TV WEEKLY + LITTLE EXERCISE = LOW SPERM COUNT

10522541-couch-potato-watching-tv-and-drinking-beerWho knew?  A cheap, non-invasive form of male birth control

A team of researchers at the Harvard School of Public Health analyzed the results of the 2009 Rochester Young Men’s Study in which 189 men, ages 18 to 22, reported their levels of activity, inactivity and other factors, such as diet, smoking and stress, that could affect sperm count.

The results showed that the sperm count of men who watched more than 20 hours of TV during the week had a 44% lower sperm count than did men who watched little or no TV.

But men who exercised moderately or vigorously for 15 hours or more per week had a 73% higher sperm count than those men who exercised fewer than 5 hours per week.

Jorge Chavarro, senior author of the study and assistant professor of nutrition and epidemiology at the school of public health, observed, “The majority of previous studies on physical activity and semen quality had focused on professional marathon runners and cyclists who reach physical activity levels that most people in the world cannot match.”

The Harvard research team suspects that sedentary lifestyles may warm the scrotum and affect semen concentrations.  Physical inactivity has also been linked to increased levels of oxidative stress, a condition that promotes the degradation of cells by rogue oxygen compounds.

Still other studies have linked low sperm counts to obesity and high-fat diets.

Source:   examiner.com, February 16, 2013      Study published in British Journal of Sports MedicineFebruary 11, 2013

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