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Laptop use may affect male fertility

Prolonged use of laptop computers (LC), which have become part of a contemporary lifestyle of younger population, may affect the fertility in men.

Laptop use may affect male fertility

Prolonged use of laptop computers (LC), which have become part of a contemporary lifestyle of younger population, may affect the fertility in men. Laptops, which reach high internal operating temperatures, can heat up the scrotum, which could affect the quality and quantity of men's sperm. Researchers from the State University of New York, USA found that the increase in scrotal temperature could cause changes in sperm parameters. Researchers evaluated the thermal effect of LC on the scrotum of 29 healthy volunteers between the age of 21-35 years, by measuring scrotal temperature before and after they used a computer on their lap. A significant increase of 2.8 degrees Celsius was seen in the scrotal temperature on the right side and 2.6 degrees Celsius on the left side when the LC was switched on. Even without turning the laptop on, the scrotal temperature rose by 2.1 degrees Celsius when men sat with their thighs together to balance the computer on their lap. The findings suggest that scrotal hyperthermia is produced by both special body posture and the local heating effect of laptop computers All laptop computers generate significant heat due to the increasing power requirements of computer chips. New laptops with higher power requirements may produce even more heat thus further studies are needed.
Human Reproduction,
December 2004
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