9 Reasons Why Sex Helps You Live Longer - Page 8 of 9 - 9facts

9 Reasons Why Sex Helps You Live Longer

#8. Sex improves sense of smell

Sex improves sense of smell

Scientists knew for a long time that the hormone prolactin surges in both men and women after orgasm. In 2003, a team of Canadian researchers did a test on mice. They discovered that prolactin causes stem cells in the brain to develop new neurons in the brain’s olfactory bulb — its smell center. The increase in prolactin levels after sex helps forge memories that are part of mating behaviors.

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