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性爱有很多有趣的现象和不解之谜,美国《医药日报》7月21日就载文,列出了你可能还不知道的10个性爱真相。1.阴茎遵循“用进废退”规律。完全没有性活动可能导致阴茎萎缩。性学专家托比亚斯·科勒博士表示,如果不做任何活动以保持正常勃起,阴茎就会慢慢缩短1~2厘米。2.美国国家经济研究局的一项研究发现,性爱带来的快乐相当于赚取10万美元。3.艳舞女郎在排卵期赚钱更多,原因是女性在排卵期会释放更多的性激素,以吸引异性。4.性生活中,夫妇同时高潮十分罕见。42%的夫妇表示,几乎很难同时达到性高潮。
There are a lot of interesting phenomena and puzzles in understanding sex. The U.S. “Medical Daily” published an article on July 21 listing the 10 sex truths you may not know about. 1. Penis follow the “use of waste into retirement” law. No sexual activity at all can cause penile atrophy. Sexologist Dr. Tobias Kohler said the penis would be gradually shortened by 1 to 2 cm without any activity to maintain normal erection. 2. A study by the National Bureau of Economic Research found that the happiness of sex is equivalent to earning 100,000 U.S. dollars. 3. Dancing girls make more money during ovulation because women release more sex hormones during ovulation to attract the opposite sex. 4. Sexual life, the couple at the same time orgasm is very rare. Forty-two percent of couples said it was almost impossible to achieve orgasm at the same time.