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heat and health

Time:2022-12-08 08:07:07 source:psychiatricethics.com author:Anxiety disorder Read:364次
heat and health

High temperature and health NO.1 What is high temperature? Meteorologically, when the daily maximum temperature reaches or exceeds 35°C, it is a high temperature weather. A high temperature weather process of 3 consecutive days or more is called a high temperature heat wave. (produced by Hebei Weather) "Barbecue Day": The high temperature weather with low air humidity is called dry heat type high temperature, and is also vividly called "Barbecue Day". The high temperature in Hebei Province from May to June is generally dry and hot, and this type of high temperature weather is prone to extreme high temperatures (such as close to or exceeding 40°C). "Sauna day": The high temperature weather with high air humidity is called sultry high temperature. Due to the high humidity, this type of high temperature makes people feel sultry, like being in a steamer, and is also vividly called "sauna day". July and August in Hebei Province are mostly sultry and high temperature. NO.2 Weather conditions prone to high temperatures 01 Weather conditions in the northern hemisphere in summer, the sunshine time is long, and the sun's heat is increased, and the temperature rises accordingly. When the following three conditions occur in summer, high temperature weather is prone to occur: (1) there is no cold air activity for several consecutive days; (2) there is a warm tongue or a warm ridge at a low altitude (about 1500 meters in height) - an area with relatively high temperature; ( 3) The weather is clear, the sky is cloudless or less cloudy, the sun shines on the ground, and the solar radiation is enhanced. 02 Source of data on high temperature climate characteristics in Hebei: Hebei Provincial Climate Center, expert support: Shao Lifang According to the analysis of climate data from 1991 to 2020, the number of high temperature days in Hebei Province is more in the south and less in the north, and the annual average number of high temperature days in Zhangjiakou, Chengde, Tangshan and Qinhuangdao is less than 5 Days, other cities are more than 10 days, and Shijiazhuang, Xingtai, Handan, Hengshui some areas are more than 15 days. NO.3 What diseases are easily caused by high temperature? 01 Diseases directly caused Diseases directly caused by high temperature include heat stroke and mental and neurological disorders. Heat stroke is a thermoregulation dysfunction that occurs when the body heat cannot maintain thermal balance in a high temperature environment. Especially in "sauna days" with high temperature and high humidity, high humidity will hinder perspiration and make it difficult to dissipate heat, resulting in heat accumulation in the body, which cannot be adjusted by itself, resulting in heat stroke. People who are prone to heat stroke, including outdoor workers, infants, the elderly, hyperthyroid patients, pregnant women, etc. Mental neurological disorder, also known as thermal fatigue, is an emotional "heat stroke" caused by the adverse effects of high temperature weather on mood, work ability, and technical performance. 02 Diseases easily induced by high temperature High temperature will cause the human body to accelerate metabolism, dilate subcutaneous blood vessels, accelerate blood circulation, and the cardiovascular system is in a state of high load operation, which is easy to induce heart disease, hypertension, coronary heart disease, etc. At the same time, excessive sweating can increase the viscosity of the blood, which can cause blood clots, thereby increasing the risk of diseases such as stroke. High temperature and high humidity will promote the reproduction and growth of bacteria, and food is easy to rot. If you do not pay attention to your diet, it is easy to cause diarrhea. Studies have shown that high temperature, heat waves, and muggy weather can lead to an increased risk of death from cardiovascular and cerebrovascular diseases. Compared with normal weather, the increased risks are 8.6%, 25.2%, and 10.0%, respectively. NO.4 High temperature weather defense guide 01 Pay attention to the weather forecast and high temperature warning signals issued by the meteorological department in time, and prepare for defense in advance. High temperature orange warning signal: It means that the maximum temperature will rise above 37°C within 24 hours. High temperature red warning signal: refers to the maximum temperature within 24 hours will rise above 40 ℃. 02 In case of high temperature weather, please pay attention to the following: ① Avoid overwork and ensure adequate rest and sleep. ② Avoid sun exposure, and wear an umbrella or hat when going out during the day. ③ Eat more potassium-containing foods, such as soy products, potatoes, watermelons, bananas, etc. ④ Drink more boiled water, or drink some light salt water as appropriate, to supplement the salt in the body. ⑤ Minimize outdoor activities before and after noon. When you must go out, you can bring Huoxiangzhengqi water, ten drops of water, cool oil, etc. with you.

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