Wax gourd contains a lot of dietary fiber, which helps to reduce blood sugar, cholesterol and blood lipid and prevent atherosclerosis. Wax gourd is high in potassium salt and low in sodium salt, which is also a good diet therapy for patients with hypertension.

2. Colored peppers

Red, yellow and green peppers are rich in vitamins and trace elements, especially VC, which can resist oxidation, promote blood circulation and maintain immune function. Eating some colored peppers often in winter with frequent colds can improve resistance and is a good food to prevent colds.

3, red dates

Jujube is sweet and warm, and has the effects of tonifying the middle energizer, nourishing blood and calming the nerves. However, iron deficiency in human blood will make people afraid of cold, so women with cold hands and feet can eat more red dates in winter. Increasing iron intake can improve the cold tolerance of the body and replenish qi and blood.

4. Walnut

Walnut is not only rich in unsaturated fatty acids that can promote heart health, but also rich in phospholipids and vitamin E, which is helpful for cold resistance.

5.sweet potato

It is a kind of food with rich nutrition in grain. Because sweet potato can supplement a lot of mucin, sugar, vitamin A and vitamin C for human body, it has the functions of tonifying deficiency and benefiting qi, strengthening spleen and stomach, strengthening kidney yin, harmonizing stomach, warming stomach and benefiting lung. Therefore, eating sweet potatoes often can prevent the atrophy of liver and kidney connective tissue and prevent the occurrence of collagen disease.

6.glutinous rice

In the cold season, people have the habit of eating glutinous rice. The sugar content of glutinous rice is higher than that of rice, so it will feel warmer after eating. Traditional Chinese medicine believes that glutinous rice has the function of tonifying middle energizer and benefiting qi, and it is most suitable to eat glutinous rice in cold season.