What is moisture?
Long summer refers to the lunar calendar in June, at the turn of summer and autumn. The sun is still hot, the rain is abundant, the water vapor is transpiration, and the humidity is full, which is the heaviest season of the year. The long summer is dominated by moisture, and many places in China are hot and rainy, especially in the south. What people call wet disease is more common in this season. In this season, the humidity in the air is the highest, and most people get sick because of trauma exposure, sweaty clothes, wading in the rain, or living in wet places, or even feeling wet evil. Because the formation of moisture is often related to the evaporation of moisture on the ground, its damage often starts from the lower part. Clinical symptoms such as lower limb ulcer, wet beriberi and leucorrhea are mostly related to dampness. For humidity, modern science uses humidity to express it, which refers to the moisture content in the air and the humidity degree of objects. The humidity of air is an important factor of climate change and has a direct impact on human body. Generally speaking, the suitable humidity for human body is 40% ~ 60%, and when the temperature is higher than 25℃, the suitable relative humidity is 30%. In autumn, the weather is cool, the humidity is moderate, and people's spirit doubles; In the dog days of summer, due to the effects of high temperature, low pressure and high humidity, sweat is not easy to be discharged and evaporated after sweating, which will make people fidgety, tired, loss of appetite and prone to gastroenteritis and dysentery. If the humidity is too low, the water in the upper respiratory mucosa will be lost in large quantities, thus reducing the resistance and easily causing a cold. Not only that, in the long summer, people will feel uncomfortable because of the sultry weather, constant rain and humid air, and clothes and food are easy to regain moisture, even moldy and hairy. Wearing wet clothes is easy to catch a cold or induce joint pain, and eating moldy and deteriorated food can cause gastroenteritis and even lead to poisoning. So in the long summer, we must pay attention to prevent the invasion of damp evil. Nourishing yang and preventing dampness
Huangdi Neijing says: "Yang is nourished in spring and summer", so how to protect Yang in the long summer? First of all, people can't just care about the immediate comfort and avoid the heat too much. For example, if the air conditioner is turned on too low at night, they still want to eat cold drinks even if they don't avoid eating, which leads to the evil of summer cold. When blowing the air conditioner at night, pay special attention to cover your abdomen. Many rural areas like to wear "Dou Du", which conforms to the way of keeping in good health. The book "Providing for the Aged and Longevity" points out: "If it is hot in summer, if you break the window under the eaves, you can't enjoy the cool, in case thieves catch the wind." Long summer health, the ancients proposed to maintain Yang Qi, the key lies in steaming outside in summer heat, sweating, opening pores, making the body most vulnerable to wind, cold and dampness. Secondly, we should prevent the invasion of dampness: dampness is yin, which is easy to hurt yang, especially spleen and stomach yang. In midsummer, the heart corresponds to it, and in summer, the spleen, one of the five internal organs of the human body, corresponds to it.
Therefore, the dampness evil in long summer is the most likely to invade the spleen and stomach function, leading to low digestion and absorption function. Traditional Chinese medicine nutrition believes that the principle of long summer diet is easy to be light and less greasy, and warm food should be given priority to. For example, Qiu Chuji Zhang Changxia, a famous health care practitioner in the Yuan Dynasty, should be "warm but not full, and make progress constantly ... when you are fat, it should be a warning". In other words, the diet in the long summer should be warmer, not colder; Don't eat too much, but you can eat a little more frequently. In some areas in the south of China, many people have the habit of eating Chili, because eating spicy food can make people sweat and increase coolness and comfort in a sultry environment. In addition, by eating spicy food, it can help digestion, increase appetite and increase caloric value in the body, thus helping to prevent common phenomena such as decreased secretion of digestive juice and weakened gastrointestinal peristalsis in high temperature and high humidity environment. To prevent the invasion of moisture, it is necessary to avoid the moisture in the living environment: Chinese medicine believes that "dampness hurts meat", that is, feeling moisture is easy to damage human muscles, such as common rheumatism and arthritis. "Huangdi Neijing" also pointed out: "Those who suffer from dampness will suffer first." Lower refers to the lower part of the human body It means that the damage caused by moisture often starts from the lower part of the human body, because the formation of moisture is often related to the evaporation of moisture on the ground. Therefore, the harm to people mostly starts from the lower part, such as common beriberi, lower limb ulcers, and women's leucorrhea. Therefore, in the long summer indoors, ventilation, moisture-proof and heat insulation must be achieved. If the room is too humid and the air is dirty, not only the furniture and clothes will be damaged by mildew and long hair. It can also damage the yang of human body. Studies on children's rheumatism in some countries have proved that more than 50% of children are caused by living in damp houses. Nourishing the heart in summer
When talking about how to keep in good health in the long summer, Huangdi Neijing clearly pointed out that "to make the mind angry, to make Huaying beautiful, to vent the gas, and to love outside should be the way to keep in good health", that is to say, in summer, the spirit should be as beautiful as a flower in bud, to avoid being angry, and to make the gas in the body smooth, free to vent and extraverted, showing correctly. In terms of mental health care, Chinese medicine believes that "you should hide in winter" and "you should live in spring", but you should release it in summer, that is, you should be full, full and outgoing, because the human body's functions are vigorous and in harmony with sufficient air. If the air is lax, all functions of the human body will be destroyed. However, hot summer is often annoying and even hotter, so it is particularly important to calm down.
Huangdi Neijing pointed out that "heat is born in the south, and fire is born by heat". Heat dominates summer and should be in the heart. The heart governs the blood, hides the gods and is the official of the monarch. Too many emotions will make you sad and make you feel uneasy. For example, in Huangdi Neijing, "Sorrow and worry make you feel excited and your heart will shake." On the one hand, it shows that abnormal mood will damage the function of your heart. On the other hand, if the function of the heart is affected, it can affect all the functional activities of the human body. In this sense, it is extremely important to recuperate the body in the long summer. Especially in the long summer and hot summer season, the sun is scorching and sweating like rain. Sweat is the liquid of the heart, and the heart is the most vulnerable, that is, the so-called "strong fire eats qi" and "the heart governs the gods" in traditional Chinese medicine, which produces many mental symptoms, such as upset, delirium, coma and so on. Many people with heatstroke will fall into a coma. At this time, acupuncture or hand pressing on "Renzhong" point (located at the junction of nasolabial sulcus 1/3) should be used; "Xuan Shi" point (located at the fingertips of both hands), acupuncture and bloodletting. The long-term weather is mainly humid and hot, characterized by high temperature and no wind, and the temperature change is not obvious in the morning and evening. This kind of weather is easy to make people feel depressed, people will feel anxious and bored, and it is easy to induce mental illness. Therefore, in the long summer, the basis of psychological health preservation is to protect the heart; In addition, spiritually, we should also "let Huaying put on a show". It is to find a support point in your own work and make yourself like your work, so that your spirit can be pinned.
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Diet conditioning in long summer is more important than other seasons. This is because when people work in a hot environment, significant changes have taken place in body temperature regulation, water and salt metabolism, circulation, digestion, nerves, endocrine and urinary system, which eventually lead to enhanced metabolism and increased nutrient consumption. On the one hand, the consumption of nutrients in the body increases, on the other hand, sweating in hot days leads to the loss of many nutrients from sweat. Moreover, people's loss of appetite and indigestion in the long summer limit the normal intake of nutrients, which may lead to the disorder of nutritional metabolism in the body, and even cause corresponding nutritional deficiency or other diseases. To sum up, diet conditioning in summer is very necessary, and the specific method is: protein's supplement.
This is because at high temperature, the decomposition of human tissue proteins increases, and the excretion of creatinine and sweat liquid nitrogen in urine increases, resulting in negative nitrogen balance. Therefore, the intake of protein should be increased by 10% ~ 15% on the basis of usual, and the daily supply should reach about 100g, and attention should be paid to supplementing lysine. Protein should choose protein among fish, meat, eggs, milk and beans. Vitamin additive
This is because vitamin metabolism increases in hot environment, and sweat excretes more water-soluble vitamins, especially vitamin C. According to the determination, vitamin C in one milliliter of sweat can reach 10 microgram. If you sweat 5 liters, you will lose 50 milligrams. In addition, there are vitamins B 1 and B2 in sweat. Therefore, in summer, the human body's demand for vitamins is twice or more than the common standard, and large doses of vitamins B 1, B2, C and even vitamin A have certain effects on improving heat resistance and physical strength. Among fresh vegetables and fruits ripe in summer, such as tomatoes, watermelons, bayberry, melons, peaches and plums, vitamin C is particularly rich, and vitamin B is more abundant in cereals, beans, animal livers, lean meat and eggs. People can supplement these foods in summer or take some yeast tablets orally. Supplement of water and inorganic salts
The temperature is high in summer. When the body sweats a lot or the body temperature is too high, not only is there insufficient water in the body, but also a lot of sodium and potassium will be lost. The lack of sodium will cause serious water shortage, which needs to be supplemented with water and inorganic salts. It is best to replenish water several times in a small amount to slow down perspiration and reduce water evaporation. When cooking, put a little more salt than usual, but let it go. It tastes light.
Summer diet conditioning, in addition to pay attention to supplement some nutrition, but also eat more food to clear away heat and promote diuresis. Among them, heat-clearing food should be eaten in midsummer, and dampness-promoting food should be eaten in long summer, because Chinese medicine believes that "long summer is wetter." So, what foods have the above effects?