Laptop use
It seems that using a notebook on your lap, even with a cooling pad underneath can damage sperm – as long as your legs are together.
Writing in Fertility and Sterility, a group of urologists from the State University of New York recorded the temperature of 29 laptop-using volunteers’ scrotal sacs – nice work if you can get it, say we.
The men worked on a laptop for three separate sessions of an hour each; one with their legs close together, one with legs close together plus a cooling lap pad, and one using the lap pad but with legs 70 degrees apart.
They found that for all three sessions scrotal temperature rose.
However, the increase was substantially lower for the chaps letting it all hang out, at about one and a half degrees C. Keeping the legs close together but using the lap pad raised temperatures by a little over two degrees, while legs together without a lap pad brought a temperature rise of around two and a half degrees.
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