The study found: sex helps to make many diseases visible Regular and moderate sex not only brings pleasure, regulates the blood circulation system and endocrine system, but also has an important role in helping people to detect some diseases that are not noticed on a daily basis. Among these diseases, the most common ones are inflammation and trauma. For men, if there is painful ejaculation during sex, it could be inflammation of the urinary system such as prostatitis and urethritis at work. These inflammatory conditions can cause local tissue congestion and swelling, and a series of contractions during ejaculation is a mechanical stimulus to these organs, so pain often accompanies the ejaculatory action. If a man has hematemesis, or blood in the semen, during ejaculation, he should be aware of inflammation of the prostate and seminal vesicles. The blood vessels can become more brittle and permeable due to inflammation, the pressure becomes greater during ejaculation, and the small blood vessels localized to the inflammation tend to rupture, allowing blood to enter the semen. There are also a few cases of hemorrhagic semen that may be caused by seminal vesicle tumors. Women should also pay attention to “inflammation signals”. If you have vaginal bleeding and vaginal pain after sex, you should be aware of whether you are suffering from cervical erosion, vaginitis and other diseases. The first thing you need to do is to use sex to help you get rid of 8 kinds of diseases 1, dull sense of smell: sex can prompt the brain rod cells in the olfactory center to form many new neurons, enhance the sense of smell. 2, heart disease: men have sex more than 3 times a week, can reduce the risk of myocardial infarction and stroke by half. 3, flu and cold: the United States University of Pennsylvania scientists found that a week or two sex, the number of antibodies to immunoglobulin A in the body will increase by 30%, to prevent the role of the flu and colds. 4, cystitis: popular in the world of sphincter exercise exercises on the bladder muscle exercise degree similar to sexual activity. 5, prostate cancer: the higher the frequency of ejaculation, the lower the incidence of prostate cancer. 6, obesity: a passionate sex can burn off 200 calories, exercise the pelvis, thighs, buttocks, arms and chest muscles, can improve the amount of testosterone, which helps to enhance bone and muscle firmness. Men’s Health magazine has published an article saying that the nest is the best gym, and people are happy with this type of exercise. 7, depression: American psychologist Gordon Grapp said, sexually active, and sexual partners do not take contraceptive measures for women rarely suffer from depression. 8, pain: before the onset of orgasm, the posterior lobe oxytocin levels rise up to five times normal, producing a large number of peptides, which can relieve headaches, joint pain, migraines, etc..