From http://www.omg-facts.com -


Did you know:

Sex is also a pain reliever, ten times more effective than Valium?  Immediately before orgasm, levels of the hormone oxytocin rise by 5 times, contributing to a huge release of endorphins. These chemicals calm pain, from a minor headache to arthritis or migraines, and with no side effects. Migraines can also disappear because the pressure in the brain's blood vessels is lowered while we have sex. So now we see that actually, a woman's headache is rather a good reason for having sex, not against it.
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