A
study has revealed that men who do little exercise and spend much of
their time watching television have lower spérm counts than more active
men. The study, published in the British Journal of Sports Medicine,
shows falling sperm quality is linked to lower levels of physical
activity.
The
study found that young men who watch television for just three hours a
day have half the spérm count of men rarely found in front of the box.
Yet 15 hours or more of exercise a week boosts sémen quality, according
to the results in nearly 200 college students.
Also,
experts say this could be due to lack of exercise, or to overheating of
the tésticles caused by prolonged sitting. And some experts say men
wanting to father children need to be selective about the sport they do,
as well as avoid wearing tight underpants as these may harm spérm.
However,
in the latest study from the Harvard School of Public Health (HSPH),
healthy young men who watched more than 20 hours of television each week
had a 44 per cent lower spérm count than those who almost did not
watch. Men who exercised for 15 or more hours weekly at a moderate to
vigorous rate had a 73 per cent higher spérm count than those who
exercised less than five hours per week. Mild exercise did not affect
sperm quality.
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