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.

Protein, fat and carbohydrates are called thermogenic nutrients. Therefore, the intake of staple food and oil should be appropriately increased in winter to ensure the supply of high-quality protein. Dog meat, mutton, beef, chicken, venison, shrimp, pigeon, quail, sea cucumber and other foods are rich in protein and fat, which generate more calories and have the best cold-proof effect.

Thyroid secretion in the human body is called thyroxine, which can accelerate the oxidation of many tissues and cells in the body, increase the body's heat production capacity, enhance the basal metabolic rate, accelerate the blood circulation of the skin, and keep out the cold, while foods containing iodine can promote the secretion of thyroxine. Foods rich in iodine are: kelp, seaweed, Nostoc flagelliforme, jellyfish, spinach, Chinese cabbage, corn and so on.

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.

In addition to Chinese cabbage, cabbage, radish heart, white radish, carrot, bean sprouts, mung bean sprouts, rape and so on. It should also be selected in the main course listed in winter. These vegetables are rich in vitamins, so it is necessary to change varieties frequently and mix them reasonably to supplement the human body's demand for vitamins.

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.

4. beginning of winter can't make up for winter blindly.

At the same time of tonic in winter, it should be noted that in order to adapt the stomach, it is best to supplement it in advance. Generally speaking, you can choose to stew beef and red dates, peanuts and brown sugar first, or cook some ginger and jujube beef soup to adjust the function of the spleen and stomach.

Drinking hot porridge in winter is also a good choice for health. For example, eating "Laba porridge" helps to increase calories and nutritional functions. Wheat porridge has the function of nourishing heart and removing annoyance, sesame porridge can nourish essence and yin, radish porridge can help digestion and phlegm, walnut porridge can nourish yin and solidify essence, Poria porridge can strengthen spleen and stomach, jujube porridge can nourish qi and yin, and so on.