May 11 is the "world obesity day". Summer has come, many people have started the tortuous way of losing weight, and various ways of losing weight emerge in endlessly. Recently, many bloggers have recommended "sweaty clothes" and "sweaty pants", saying that "sweaty clothes" is a new type of weight-loss black technology, which consumes more kaluri than ordinary fitness clothes, and the weight-loss effect is doubled with half the effort. There is also a woman who has been "fighting" for many years on the way to lose weight. She danced Aerobics in "sweaty clothes" and was sent to the hospital because of palpitation. Is "Sweatshirt" an IQ tax or a slimming weapon? Can the "net red" fat reduction meals such as cheese, hamburger and pizza, which are popular on the Internet, really reduce weight... The reporter invited Yang Jingge, chief physician of gastrointestinal surgery department of the First Affiliated Hospital of Jinan University, and Wu Lina, a case manager, to answer your questions. Ms. Lin (not her real name), 40, is a businessman and has a successful career, but her body has always been a pain. Over the past 12 years, she has been "fighting" on the way to lose weight. She has tried all kinds of methods - eating substitute meals, taking weight-loss drugs, wearing "sweaty clothes" for aerobics, wrapping plastic wrap for aerobics, and participating in various weight-loss training camps... All together, she spent more than 1 million yuan, but she always wandered on the way to lose weight, regain weight and lose weight. She is 158 cm tall and weighs 170 Jin, with a BMI of 34. The most important thing is that all kinds of complications come to her door, such as diabetes, hypertension and hyperlipidemia. Recently, under the guidance of a coach, Ms. Lin began to dance aerobics in "sweaty clothes". She danced at least four times a week, one hour at a time. At the beginning, she lost four kilograms a week. Ms. Lin was greatly encouraged. Unexpectedly, on Tuesday afternoon of the second week, she had just danced for half an hour and was sweating profusely. Then she felt palpitation and chest tightness, and finally fainted. Her family sent her to the First Affiliated Hospital of Jinan University for emergency treatment. "She sweated a lot in a short time, resulting in water and electrolyte loss, increased blood viscosity, and central nervous system damage leading to fainting." Yang Jingge said that after detailed consultation and comprehensive examination, the doctor said that Ms. Lin was in line with the indications of weight reduction surgery. Finally, Ms. Lin made up her mind to have weight reduction surgery. "As long as follow-up management is done well, Ms. Lin's weight is expected to return to normal in about a year." Yang Jingge said. Is "sweaty clothes" really a new type of weight loss black technology? NO！ Recently, wearing "sweaty clothes" is very popular in the fitness circle, claiming that it can make the weight loss effect more obvious. According to Yang Jingge, the result may not be as you wish. The main material of "sweaty clothes" is polyester fiber, which is to make use of the impermeability or heat insulation of the clothing material to make people sweat more during sports. When exercising in a high temperature environment, especially in high humidity, the heat accumulation caused by wearing "sweaty clothes" is more serious, which is likely to lead to excessive body temperature or heat disease. At the same time, excessive sweating will lead to water and electrolyte loss, blood viscosity increase, cardiovascular pressure doubling, cardiorespiratory load overload, heat stroke, dehydration, dizziness, central nerve damage, and even sudden death. Why do you lose weight when you wear sweaty clothes? According to Wu Lina, because the water is drained