The cold climate in winter affects the endocrine system of human body, which increases the secretion of thyroxine and adrenaline, thus promoting and accelerating the decomposition of protein, fat and carbohydrate, increasing the body's cold-proof ability, thus causing excessive loss of heat.

2, beginning of winter health should pay attention to vitamin supplements.

Winter is the off-season for vegetables. Therefore, after a winter, people often have vitamin deficiency, such as vitamin C deficiency, which leads to oral ulcers, root swelling and pain, bleeding, constipation and other symptoms. Then people can eat some potatoes properly, such as sweet potatoes and potatoes. They are all rich in vitamin C, vitamin B and vitamin A, and red sweet potatoes also contain more carotene. Eating more potatoes can not only supplement vitamins, but also clear the fire.

3, beginning of winter diet should be bitter and less salty.

In winter, the function of kidney is high. If you eat more salty food, kidney qi will be more abundant, which will greatly hurt the heart, weaken its strength and affect human health.

Therefore, eat less salty food in winter to prevent excessive kidney water; Eat more bitter food, nourish the heart and enhance kidney function. Commonly used foods are: betel nut, orange, pig liver, sheep liver, kohlrabi, lettuce, vinegar, tea and so on.