My hands and feet are cold when the weather is a little cold. What is the reason?

People whose clothes are not warm enough. Cold hands and feet indicate that there is a problem with the average distribution of body temperature. However, if you have put on more clothes and your hands and feet are still cold, you should pay attention, because the "cold spots" of temperature-sensitive nerve receptors on many people's bodies are too slow to perceive the cold. People under too much pressure. The pressure brought about by the sense of responsibility for work and the urgency of time may cause trembling hands and feet and cold fingers, but after the incident, it will gradually return to warmth. Usually, urban lazy people who "can lie down and don't sit, but can sit and don't stand" will also have the problem of not being cold-tolerant because of the decrease of basal metabolic rate. These diseases will affect the human body's response, and some diseases will affect the human body's inadaptability to cold and heat. Hyperthyroidism patients are quite heat-resistant because of excessive excitement and metabolism of sympathetic nerves; On the contrary, patients with hypothyroidism cannot generate enough heat energy to keep out the cold because of poor sympathetic nerve function. Long-term smokers, due to lack of oxygen in the body, are prone to poor circulation of peripheral capillaries. When the poor circulation is arterial capillaries, they are prone to chills. However, if the venous microvessels are not unobstructed, although there is no feeling of being particularly afraid of cold, the blood vessels cannot expand and the blood cannot circulate, resulting in local hypoxia, and hands and feet are prone to chills. People with hypoglycemia or hypotension. Women who lose weight should be especially careful. Food is the body's source of heat. Just like diabetics, people who are too hungry will have cold hands and feet because of hypoglycemia. The occurrence of hypotension represents poor blood circulation and is often the cause of cold hands and feet in winter. Women always feel cold, and the human body lacks iron and iodine. Iron is an important raw material for producing hemoglobin, which is the main functional substance in red blood cells and undertakes the task of oxygen transportation and metabolism in the body. If women are short of iron due to menstruation and can't replenish it in time, it will affect the oxygen carrying capacity of blood, so that the limbs can't generate enough heat when they are active, especially the peripheral parts such as hands and feet. In addition, iodine deficiency can also make people afraid of cold. Because thyroxine has antipyretic effect, it can increase basal metabolism and accelerate skin blood circulation. Iodine and tyrosine are the main raw materials for making thyroxine. Iodine needs food to be provided continuously, while tyrosine is generally synthesized by itself in the body. Long-term iodine deficiency will affect the synthesis of thyroxine and reduce the body's ability to keep out the cold. So women who are afraid of cold can eat more foods rich in iron and iodine. Women should consume 18 mg of iron every day, but most women can't meet this standard. Animal blood and liver are rich in iron. Iron in animal food is heme iron, which has a high absorption rate after being ingested by human body, especially in animal blood, and its iron absorption rate can be as high as more than 22%. Plant food, such as auricularia auricula, kelp, sesame, etc. Although the iron content is high, the absorption rate is low, mostly below 10%. Foods with high iodine content include kelp, jellyfish, marine fish, shrimp skin, laver and shellfish. Women are afraid of cold because of yang deficiency, which is called "yang deficiency is cold" by Chinese medicine. The human body is weak in yang, lacking in qi and blood, unable to warm muscles to resist the invasion of external cold pathogens, so it is afraid of cold. The reason is that some women are congenital, and women's yang has always been weak, and they are easy to be afraid of cold or feel cold evil. Part of it is because of serious illness and long-term illness, such as long-term menorrhagia, or ectopic pregnancy with blood loss, or gastrointestinal diseases with spleen and stomach weakness and insufficient qi and blood biochemistry. Because qi and blood complement each other, qi is the handsome of blood and blood is the mother of qi. Blood loss will inevitably lead to the weakness of qi, which belongs to Yang. Therefore, qi deficiency can also cause fear of cold. Due to the weakness of qi and blood, blood-enriching drugs can be added on the basis of invigorating qi, such as Korean ginseng, angelica, prepared rhizome of rehmannia, donkey-hide gelatin and black beans. Whether it is congenital or acquired, it should be supplemented or treated in time, especially for girls in the process of development. In winter, their hands and feet are cold and easy to catch a cold. Timely treatment can improve their physique. Under normal circumstances, people who are mild can be treated with dietotherapy, but those who are afraid of cold limbs and have symptoms such as leucorrhea, long urine, frequent micturition at night, backache and cold pain must take medicine for treatment. People who need treatment should never go to a regular Chinese medicine hospital for treatment. Tao Jin stressed, however, that the fear of cold can't be improved simply by warm medicine, but also through more exercise and regular exercise to enhance physical fitness and enhance the body's ability to adapt to climate change and resist cold. It is easy to get fat in winter, which makes some women who love beauty worry, and adopts the way of controlling diet to keep fit. Such a woman will be particularly afraid of the cold. Because low temperature will have a certain impact on human endocrine and digestive system, which will accelerate the metabolism and decomposition of protein, fat and carbohydrate, and increase energy consumption. Therefore, the intake of protein, fat and carbohydrate should be appropriately increased in winter. In addition, choose warm food or medicinal materials for tonic, so that the body's blood circulation is smooth and qi and blood are active, which can achieve the effect of keeping out the cold. Such as mutton, beef, shrimp, sea cucumber, oyster, eel, venison, chicken liver and other foods rich in fat and protein, as well as leeks, perilla, green peppers, mustard greens, Chinese cabbage, peppers, onions, pumpkins, lychees, peaches, longan, onions, ginger, garlic, brown rice, sorghum, sesame seeds, pine nuts, cashews and walnuts. In addition, when cooking or eating cold food, you can add some spicy spices or Chinese herbal medicines, such as onion, ginger, garlic, pepper, pepper, ginseng, astragalus, dried tangerine peel and so on. Usually, you can also use Lycium barbarum, red dates, ginseng, longan pulp or ginger to make tea, which can also produce the effect of keeping out the cold. Several measures to do exercises to warm hands and feet. Eating too much and exercising too little can easily accumulate excess fat in the body. At this time, you can do more exercise, which can not only consume too much fat, but also strengthen blood circulation and warm your body. Take a bath before going to bed. Soaking hands and feet with hot water before going to bed can not only promote the circulation of vascular endings, but also help sleep. You can use a bucket filled with hot water, rice wine and ginger slices (the ratio of hot water to rice wine is 1∶ 1) to soak your feet, which is helpful to improve women's fear of cold. But put on cotton socks to keep warm immediately after soaking dry, and you can also wear them when sleeping. Shiatsu massage. Press Yin Zhi and Yongquan points with your fingers. Yin Zhi is located on the outside of the nail growth of the fifth toe of the foot, while Yongquan is located in the center of the sole near the toe. When all toes are bent, it is located in the center of herringbone wrinkles formed on the sole. Knead each toe so that your feet will feel warm. Might as well add some lotion or baby oil to promote blood circulation and soften hands and feet.