The weather is so cold, what's a good way to keep warm?

The cold current in winter often makes people cringe and tremble, so many people try their best to keep warm-curl up and sleep under the quilt; Indoor air conditioning, doors and windows closed; In order to keep out the cold, it is equipped with thermal underwear, sweaters and trousers, plus "supporting facilities" such as down jackets, hats, scarves, masks and gloves. Experts point out that sleeping with your head covered is harmful to your health. Too thick a quilt will oppress your body and you can't completely relax when you sleep. At the same time, too thick quilts will oppress organs such as the heart and affect health. If you sleep with your head covered, the exhaust gas such as carbon dioxide in the bed will gradually increase, affecting normal breathing and even causing suffocation. At the same time, cardiovascular and cerebrovascular diseases can also be induced by bed hypoxia. In winter, many people close the doors and windows and stay indoors. However, due to the closed doors and windows, poor indoor air circulation and dirty air, it is easy to cause dizziness, sweating, dry throat, chest tightness and other discomfort. "Three points of hunger and cold, seven points of food and clothing" is a very reasonable experience summarized by the ancients. Because of excessive warmth, it is easy to reduce the body's adjustment ability, adaptability and cold tolerance, but it is easy to cause some diseases. Keep your head warm in key warm parts: Because the winter weather is often accompanied by strong winds and often attacked by cold currents, if you only pay attention to wearing warm clothes and don't pay attention to wearing a hat when you go out, not only will your head emit heat energy, but also because the indoor temperature is higher than that outside, it is easy to catch a cold. So wear a hat when you go out, especially those who do morning exercises. Keep your back warm: Chinese medicine believes that the back is inhabited by kidney veins, and colds often start from your back. Therefore, keeping the back warm can not only prevent colds, tonify the kidney and strengthen the waist, but also prevent the recurrence and aggravation of old diseases. Therefore, cotton or silk floss is suitable for winter, which has good heat preservation and cold preservation performance. Wear clothes when you get up at night to prevent catching a cold. Keep feet warm: Medical experts believe that feet are far away from the heart, with less blood supply, thin fat on the instep, and poor thermal insulation, and they are most sensitive to cold stimulation. If your feet catch cold, your whole health may be affected. So warm your feet and strengthen your kidneys in winter. In addition, before going to bed at night, scalding your feet with hot water and rubbing the Yongquan point in the center of your feet to maintain good peripheral blood circulation is conducive to health care. For people with a history of frostbite, you can wash and iron your feet with hot water with scallion and pepper. In winter, the sunshine in winter should be comfortable and warm. It is good to sunbathe for a while every day, because proper sunbathing is beneficial to the body's absorption of calcium, but sunbathing should also be done to a certain extent. If the time is too long, it will be harmful to your health. Because too much Sun Long exposure will damage the skin, destroy the natural barrier of human body, make harmful chemicals and microorganisms in the atmosphere invade human body, cause infection and induce many diseases. Infants and young children have delicate skin and cannot be directly exposed to the sun for a long time. Dermatologists remind that sunscreen protection should also be done in winter, because ultraviolet rays in winter can also cause harm to the skin. It's cold to "move" to prevent freezing. Because of the cold weather in winter, people are reluctant to go out for exercise. In fact, the colder you are, the more you should exercise, because exercise is the best way to drive away the cold, and it can also enhance the disease resistance and reduce the occurrence of diseases. For winter sports, you can choose jogging, cycling and playing Tai Ji Chuan. And you can also choose indoor fitness places, such as aerobics, table tennis, bowling and so on. But when the elderly exercise, they must do what they can, and don't choose those sports with too much activity and too much exercise. Experts remind people that indoor ventilation should be frequent in winter to ensure that people can breathe enough fresh air. In order to prevent the indoor air from drying, you can put a basin of water indoors or near the heating, or you can choose a humidifier to keep the indoor air moist. At the same time, pay attention to drink plenty of water. It is best to drink a glass of water before going to bed at night and after getting up in the morning to ensure that there is enough water in the body.