We all think we know why sex is good, but not the way biologists do. These scientists have speculated for a long time on why all living things don’t simply reproducing by splitting like amoebas. It doesn’t sound like much fun, but we could evolve to the point that this type of reproduction could give us an orgasm.
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In the past, we’ve warned men that riding a bike can ruin your sex life. Now it turns out this is true for women too: Spending time on a bicycle seat, which has been linked to erectile dysfunction in men, may also be a hazard to a woman’s sexual health. With more and more women taking spin classes, we may be becoming a sexless society.

In the April 3rd edition of the New York Times, Anahad O’Connor reports that bike seats are designed in such a way that body weight typically rests on the nose of the seat, which compresses nerves and blood vessels in the genital area. A 2006 study found that while this has less of an effect on women, the same risk is still there.
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