A foreign book named "Health and Happiness" mentioned: "It is a well-known fact that sexual life is good for health, and there is no lack of scientific basis for sex therapy." The famous American sexologist put it more specifically: "A happy sex life has a good relieving and inhibiting effect on many diseases, such as headache, back pain and depression." To sum up, the therapeutic and fitness functions of sexual life are shown in the following aspects: (1) Happy sexual life is a kind of "natural painkiller". Some scholars believe that orgasm can stimulate the central nervous system to release an "endorphin" substance, which can produce analgesic effect similar to morphine through receptors in various parts of the body and can relieve various pains. Sex life is also a good sedative. With the disappearance of orgasm in sexual life, the body can relax quickly. The happier the sex life, the easier it is to fall asleep afterwards, which helps to eliminate insomnia and prevent neurasthenia.

(2) Pleasant sexual life can prevent some gynecological diseases: Studies show that women who have sex 1 ~ 2 times a week can prevent the occurrence of infectious diseases such as irregular menstruation, vaginitis, cervicitis, endometritis and pelvic inflammatory disease. Because semen contains an antibacterial sperm cytoplasm, it has a strong bactericidal effect and can be comparable to penicillin. Sexual life is especially beneficial to PMS. During the 5 ~ 7 days before menstruation, women's blood flows into the pelvis, which is easy to cause swelling and spasm. Regular muscle contraction caused by orgasm can accelerate blood flow out of the pelvic area and enter the systemic circulation, thus improving pelvic congestion.

(3) Pleasant sexual life can keep people young, healthy and long-lived: during sexual life, blood circulation is accelerated, sex hormone secretion is increased, skin is tender and smooth, wrinkles are reduced, nails are shiny, hair is shiny, eyes are dark and affectionate, which helps women to keep fit. Harmonious sexual life can not only exercise the heart function, but also activate and strengthen the immune system function, thus preventing and treating many diseases. American medical scientists have found that people with disharmony in sexual life are more likely to get sick than those with happy marriages, and they are twice as high. From this perspective, as long as you don't indulge too much, normal and beautiful sex life does have the effect of treating diseases and strengthening the body.

(4) Happy sex life is beneficial to women's breast health care: breasts are not only breast-feeding organs, but also a part of women's sexual organs. They participate in the whole cycle of sexual intercourse, that is, the whole process of sexual life, accept sexual stimulation and enjoy sexual pleasure. When women enter the period of sexual excitement, their nipples become erect, and their breasts are congested, full and enlarged. The breast volume without breast feeding can be increased by 25%. Regular sexual life can keep breasts full and elastic, and they are less likely to suffer from breast diseases. Moreover, disharmony in sexual life often leads to breast swelling and pain, and a lump appears. According to domestic statistics, among 146 cases of breast cancer, at least178% are divorced, separated, single and have disharmony in sexual life; Among the patients with hyperplasia of mammary glands, 66% are frigid and 20% are horny. Clinically, scientific sexual life guidance for patients has promoted the rehabilitation of breast diseases.

(5) A happy sex life is an excellent antidote to people's negative emotions: foreign sexologists have found that people who have a happy sex life tend to worry less, have a good temper, treat people kindly, and rarely push mistakes or misfortunes to others at will, and can enhance people's self-confidence.