The sharp cooling is about to begin. Experts remind that these non frost resistant parts should focus on keeping warm. On November 28, the Central Meteorological Observatory continued to issue the highest level orange warning of cold wave. It is estimated that by December 1, there will be severe cooling in some parts of central and eastern China, so it is necessary to do a good job in cold prevention and warmth preservation. What parts should we focus on? Who are the "key protection objects"? The reporter consulted experts from Nanjing Integrated Traditional Chinese and Western Medicine Hospital. The six parts of the body that are least resistant to "cold": the head, neck, back, belly button, knee joint and foot, which need to be kept warm. Why is this? Xia Gongxu, a famous doctor of traditional Chinese medicine in Nanjing and deputy director of the Department of Preventive Medicine of Nanjing Integrated Traditional and Western Medicine Hospital, explained that his feet were the farthest from the heart, with less blood supply, and because the fat layer of his feet was thin, he was particularly vulnerable to the cold. However, if the foot is cold, it is particularly easy to cause the capillary contraction of the upper respiratory tract mucosa, leading to the decline of human resistance. "The head is also one of the most difficult parts to retain heat, so we must pay attention to keeping warm." Xia Gongxu said that the warmth of the neck is often ignored at this time. Traditional Chinese medicine believes that the back is connected with the internal organs, so if the back is cold, the ability to resist the cold will be greatly reduced, and we should also bask in the sun more. Cold belly button is easy to cause gastrointestinal dysfunction, which may lead to abdominal pain, diarrhea and other digestive system diseases. In addition, there is no fat and muscle protection at the knee joint, which is very sensitive to temperature and humidity. The knee joint is prone to degenerative changes when cold, and problems such as pain, poor flexion and extension, etc. occur. Yang Runhua, director of the emergency department of the hospital, said that the attack of myocardial infarction had something to do with the sudden drop in temperature. Generally, when the temperature drops 3 to 5 degrees Celsius or above, the incidence of acute myocardial infarction will also rise. Xing Junwu, director of the cardiovascular department of the hospital, said that among these young patients with acute myocardial infarction, at least one or more risk factors such as smoking, hypertension, diabetes, weight and obesity accounted for. Special attention shall be paid to the protection of the three types of people below the sudden drop in temperature. If they feel unwell, they shall go to the hospital in time. Class I: patients with hypertension, diabetes and hyperlipidemia, especially those who have been definitely diagnosed as coronary heart disease in the past; The second category: people who do not pay attention to cold protection and keep warm in autumn and winter and blindly "freeze in autumn"; The third category: people who have a history of smoking and drinking, work under great pressure, often stay up late, and do not often move. At the same time, experts suggest that the climate is cold and dry in autumn and winter, and we should pay attention to the moderate supplement of water. (Outlook New Times)
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