Do you believe the 8 "superstitions" about sex around the world?

Do you believe the 8 "superstitions" about sex around the world?

When it comes to sexual relations, there are some "superstitious" beliefs all over the world, some of which have no scientific basis and some of which are misrepresented. The following are some sexual rumors that have been widely circulated in recent years. I hope people can have a scientific understanding of them.

Rumor 1: A big nose means big sexual organs. Many people believe that the size of a man's sexual organs can be judged by his feet, hands or nose. However, a Canadian study of several men found that the length of the sexual organ has little to do with height or foot size.

Rumor 2: The peak sexual ability of men and women is 18 and 28 years old respectively. It is undeniable that men's testosterone levels are highest around the age of 18, and women's estrogen levels also reach a peak around the age of 25. But what is the standard for measuring "sexual peak"? Single men in their 30s are the most sexually active, and married men in their 40s have stronger "sexual interest". For women, those in their early 30s have more sex frequency. From this perspective, men reach their sexual peak later than women. Common sense tells us that sexual desire fluctuates and is far from just about age.

Rumor 3: Sex can help you lose weight. Sex is a light to moderate intensity exercise that can indeed help burn calories, but you should know that most people have sex but they are still troubled by being fat, so don't count on sex to lose fat.

Rumor 4: Sex can easily induce heart disease. Everyone has heard horror stories about heart attacks during sex. But a large-scale study found that if a man does not have diabetes and does not smoke, the chance of this happening is only one in a million.

Rumor 5: You can’t have sex before exercise. Many athletes abstain from sex before major events. In fact, athletes may perform better after sex. Studies have shown that sex has no effect on athletes' leg muscle strength, hand strength, reaction speed or flexibility.

Rumor 6: Taking birth control pills will make you gain weight. The original birth control pills contained large amounts of sex hormones, which may indeed cause weight gain. But modern contraceptives have very low hormone content and have no fattening effect.

Rumor 7: Testicles will sag as you age. As men age, their testicles become "hollower," giving the illusion of sagging. The skin of the scrotum may become looser, but the smooth muscles that control testicular movement remain functional and do not degenerate much.

Rumor 8: Men think about sex every 7 seconds. By analogy, a man needs to think about sex 6,000 times a day. In fact, this data refers to sex in a broad sense, including lover, sexual jokes, etc., not just sex. The reality is that half of men don't think about sex every day, but men do spend more time thinking about sex than women.

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