Benefits of sex

Benefits of Sexual Activity
Sexual intercourse is a pleasurable activity for both men and women. Beyond basic human instinct, its purpose is pleasure. In the earliest times, humans were unaware that sexual intercourse also had the function of procreation and childbirth. It wasn't until the 17th century, with the advent of microscopes, that spermatozoa, resembling tadpoles, could be seen swimming in male semen. These tailed "worms" could impregnate women.
Sexologists have continuously researched and discovered that sex is a natural sedative and analgesic, and can enhance the function of the immune system.
1. Physical Exercise Research from the University of Pennsylvania School of Medicine suggests that sexual activity is equivalent to jogging. If one has sex three times a week, it's equivalent to jogging 75 kilometers a year, burning 7500 calories. Regular sexual activity can promote metabolism. Some say that sex is like exercise in bed; during sex, breathing deepens unconsciously, increasing the amount of oxygen received by cells and promoting the function of various organs and tissues. This seems to have some basis.
2. Increased Hormone Secretion: Men secrete a hormone called dehydroepiandrosterone (DHEA) daily, and they need to supplement this hormone regularly to maintain male characteristics. During sex, especially before orgasm and ejaculation, the body naturally releases 3-5 times more DHEA than usual. Therefore, in the West, many men don't need hormone supplements; they prefer their bodies to release this masculine hormone naturally. For women, estrogen helps maintain good blood circulation. Women with regular sex lives have much higher estrogen levels than those who have sex occasionally.
4. Effectively Reduced Risk of Heart Disease and Myocardial Infarction: Sexual activity allows for more movement of the pelvis, limbs, joints, muscles, and spine, promoting blood circulation and enhancing heart function and lung capacity. People with harmonious sex lives have at least a 10% lower risk of heart disease than those with disharmonious sex lives. However, there are reports of people dying suddenly during intercourse due to a sudden myocardial infarction. Therefore, if signs of heart disease are present, overly vigorous activity should be avoided during sex.
5. Pain Relief: Sexual activity (especially during orgasm) can alleviate pain caused by injuries, joint pain, back pain, and headaches. Endorphins released during sexual arousal and orgasm can increase pain tolerance.
6. Stress Reduction and Brain Health: With today's stressful work environment, many people seek stress relief through activities like going to bars, exercising, and playing sports. However, engaging in sexual activity when in a good mood is the most effective way for both men and women to reduce stress. However, excessive fatigue and work pressure can also reduce the desire for sex, as it consumes energy. Therefore, don't force yourself if you lack energy. Japanese medical research suggests that appropriate sexual activity helps prevent brain aging, promotes metabolism, and delays memory decline.
7. Reduced Skin Diseases and Improved Skin Appearance: Poor blood circulation can lead to acne, pimples, and other skin problems. Moderate sexual activity accelerates blood circulation, balances metabolism, resulting in smooth and delicate skin, and helps prevent skin diseases. A ten-year follow-up study conducted by the Royal Edinburgh Hospital in Scotland on 3,500 people (aged 18 to 102) in Europe and the United States found that 25% of a person's appearance is determined by genetics and 75% by behavior, which includes three factors: physical activity, psychological activity, and sexual activity. It can be said that regular sexual activity can make a person more beautiful, but the reverse is not necessarily true.
8. Semen helps clear vaginal bacteria. Experiments have shown that semen contains an antibacterial substance—seminal plasma—which can kill pathogenic bacteria such as Staphylococcus, Streptococcus, and Pneumococcus. Although semen contains components that kill pathogenic bacteria, this does not mean that one does not need to go to the hospital when sick. After all, this antibacterial component is very small and insufficient to resist an invasion of pathogenic bacteria.

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