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  • 26.07.2018
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Sex is one of our biggest preoccupations — causing thrills, heartache and downright confusion. But until recently, exactly what happens in the brain during sex was something of a mystery to scientists. Scientists used scans to monitor women's brains during orgasm and found that different brain parts are activated when various parts of her body are aroused. They found that up to 30 different parts of the brain are activated, including those responsible for emotion, touch, joy, satisfaction and memory. These are the areas usually activated when eating food and drink. Meg Ryan showed how women fake orgasms in When Harry Met Sally, but when they're not faking them, they are more likely to fall in love with a man after sex.
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Love Drug? Oxytocin's Tender Effects Questioned

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A new study with rats is the first to demonstrate that a group of hormone receptors in the brain plays a key role in female sexual appetite. The research may one day lead to drugs for treating sexual dysfunction in women. One reason for this inequality, says James Pfaus, a behavioral neuroendocrinologist at Concordia University in Montreal, Canada, is that it has only recently become clear that the kinds of chemicals that increase sexual arousal in men are ineffective in women. Pfaus is surprised that PT appears to increase sexual appetite in female rats but not their "downstream" sexual physiology, such as the reflexive bending of the female's back necessary for intercourse.
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Here's why you feel so tired after having sex

Good sex is never simple. Some people love it and others loathe it: cuddling after sex can be a deal breaker. But the impulse for a post-coital hug is more biological than you may think.
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There's a good chance you've found yourself falling into a peaceful slumber after an intimate encounter. Or maybe you've been frustrated with a partner who has passed out without cuddling. But there are a lot of reasons people fall asleep after sex, and it doesn't necessarily mean a partner is uninterested. But there are also a variety of chemical and psychological reasons at play.
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