In daily life, we are often confused by some common sense of life. You can't eat two eggs a day, crayfish have parasites, and eating tofu causes cancer ... you can't eat this or touch that. Are these "health knowledge" true or false? The following are 24 "health knowledge" published by People's Daily in Deceiving People. We need to polish our eyes and increase our knowledge together! Don't eat too many eggs a day? Many people worry that eating eggs will affect the cholesterol level in the body, which will lead to cardiovascular diseases. At present, there is no research to clarify the relationship between the two. It is no problem to eat two or three eggs a day. 2, not eating at night can not only lose weight but also be good for your health? Skipping dinner is very harmful to the body, which is easy to hurt gastrointestinal function, affect endocrine and is not conducive to weight loss. 3, acne grows in different positions, indicating that different organs have problems? No, it means that time only takes away the youth in acne, but not your acne. The appearance of acne is related to the distribution of sebaceous glands and hair follicles in the body. There are many sebaceous glands in the nose, chin and back, which are prone to acne. 4. Crayfish are parasites and can't be eaten? If you are covered with it, you may not see crayfish. Crayfish do have parasites, so be sure to cook them thoroughly before eating them. Don't eat it half-baked. 5. Can cactus be put in front of the computer to prevent radiation? Cactus has no radiation protection function. In fact, no plants have been found to have radiation protection ability. 6, eating tofu will make women suffer from cancer? Tofu is a good thing, and protein can supplement calcium. Not only does it not cause breast cancer, but it is also good for women's health. 7. You don't have a fever, but you are in poor health? Bacterial invasion or strenuous exercise, entering high temperature environment, etc. May lead to an increase in body temperature. If you don't have a fever, there is no invasion of germs or your body is temporarily unaware of it. Whether there is a big problem in the body can't be judged only by whether there is a fever. 8. Type O blood should eat less whole grains and type A blood should eat less meat? Professionally, there has never been such attention. 9. Should I brush my teeth immediately after meals? According to the latest research by dentists, brushing your teeth immediately after meals is harmful to your teeth health. There is a layer of enamel on the surface of the crown. Just after a meal, especially eating acidic food, will make the enamel soft. Brushing your teeth at this time is easy to cause enamel damage. Over time, the enamel of teeth will gradually decrease, which is easy to make people suffer from tooth allergies. When eating, teeth will have symptoms of acid and pain. Therefore, it is best to rinse your mouth with clean water after meals, and brush your teeth after 1-2 hours. 10, lipstick equals eating heavy metals? Lead in lipstick will not affect health unless a person eats four lipsticks a day. 1 1, are all kinds of health care products known as "a cure for all diseases" useful? Health care products are not only expensive, but also may delay formal treatment and delay the illness. Avoid eating health care products and ignore regular treatment! 12. Do you have any requirements for sleeping position? Go north, go south? Or is it facing west to east? Or head northeast foot southwest? As long as you like it, it is a good direction, nothing special. 13, I will still get sick after a physical examination. Why not have a physical examination? I'm still hungry after eating, and I've never seen a hunger strike. Physical examination can help us understand the basic condition of the body and notice some precursors of chronic diseases. It is of great significance to have a routine physical examination every year. 14, the straight cucumber was sprayed with medicine and could not be eaten? Straight cucumber and curved cucumber are both good cucumbers. The normal growth of cucumber is straight, but sometimes it is easy to grow crooked because of poor temperature and light, insufficient water and nutrients. 15, can eating black sesame make hair black? For white hair lacking trace elements, black sesame is rich in trace elements, but its strength is too small to be fully digested and absorbed after eating. Black sesame can't reverse the aging of white hair caused by old age. 16, hair will absorb a lot of nutrients? Hair has become hard and keratinized when it grows out, indicating that there is no life. Our hair has no blood vessels and nerves, and it won't absorb our nutrition at all. Friends don't have to worry. 17, soap hurts the skin? Is shower gel carcinogenic? The cleaning ability of soap is stronger, and the skin feel of shower gel is better, but the difference will not be too big. Turn the cards you like, don't worry about it. 18, effective diet pills do not exist? There is no shortcut to losing weight. Pay attention to diet and exercise. If you can't make up your mind, you may never start. 19, eating walnuts is good for the brain. Do you want to keep fit? Nutrition is evaluated according to the composition of food, not according to its appearance, and food cannot be judged according to its appearance. 20. Can egg white turn white? There is no effective ingredient in egg white that can whiten skin. On the contrary, immature egg white may have bacteria, which is easy to cause allergies when applied to the face. 2 1. Is wireless WiFi a radiation hazard? If there is WiFi…… in the toilet ... ... maybe you can play with your mobile phone in the toilet for a few hours. (See it? Is it harmful? The radiation of WiFi has no effect on the body, so don't worry. 22. The best exercise is "walking"? Excessive walking: ruined the knee. In fact, normal people have to walk 6000- 10000 steps every day, with a mileage of 3-5 kilometers. If you walk too much every day, you are likely to hurt your knee! 23. Can potato skins be dyed? This legend is true. Are you surprised? Surprised? Although this is true, the dyeing effect of potato skin is very short, and it will be gone after washing your hair once. 24. Brush your teeth without brushing your tongue? Not only brush, but also brush carefully. There are many bacteria living on the tongue coating. Wash often to make your breath less loud. Health should also be scientific. Don't be misled by rumors in life. What other health tips do friends know? 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