Semen: love drug or health food?

Semen is really surprising. In recent years evidence has emerged that semen can effect a woman's mood if taken in to her body.

Medical researchers have found elevated levels of endorphins in a woman's blood hours after receiving semen in to her vagina

So does this mean that people should be having more unprotected sex? No. All of the usual arguments for and against unprotected sex still apply.

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