Too Much TV Tied to Lower Sperm Count in Young Men
HealthDay Reporter
MONDAY, Feb. 4 (HealthDay News) -- Men who watch 20 hours of TV a week may have only half as many sperm as men who watch very little TV, a small study suggests.
"Guys
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The report was published online Feb
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To measure TV's effect on sperm
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The reason why TV was associated with a lower sperm count is unclear, and it may be that TV is a signal for other factors.
"The associations of TV watching and physical activity with sperm counts were independent of each other," Chavarro said. "What we cannot rule out entirely is that our finding for TV watching is specific to TV or sedentariness in general."
It's also not clear whether the TV-loving men would have trouble fathering children
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"Men in this study had not attempted to have children before
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"We know from other studies that sperm counts are related to fertility -- higher sperm counts are related to higher fertility. Men with low sperm counts can still father children although they may have difficulties doing so
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One expert said there are too many factors to consider to say TV is responsible for a lower sperm count. There's an association
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"The results are believable from a physiological standpoint, but it's difficult to conclude for sure that it's TV that lowers sperm count," he said
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Other factors could account for the finding, such as whether the men who were TV watchers had other undiagnosed medical conditions that might also affect sperm count
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"Exercise and a sedentary life style most likely have an effect on fertility, but I am not sure if we can quantify how much is due to one factor versus another," he said.
However, Rao does have a takeaway message for men.
"I tell my patients the testis prefers to have a very healthy and very stable environment to do its work the best," he said
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