1. Vitamin supplementation

Some compounds in flue gas can greatly reduce the activity of vitamins A, B, C, E, and make these vitamins consumed in the body. Therefore, smokers should often eat more food rich in these vitamins, which can not only supplement the vitamin deficiency caused by smoking, but also enhance the body's autoimmune function. Foods rich in vitamin A include: animal liver, milk and dairy products and poultry eggs, green leafy vegetables, yellow vegetables and fruits. Carrots, tomatoes, persimmons, eggs, cow liver and pig liver, cod liver oil, milk, cheese, butter, broccoli, spinach, lettuce, soybeans, green peas, oranges, apricots, sweet potatoes, apricots and so on can supplement vitamin A. In addition, fish liver oil can supplement vitamin A.

Foods rich in vitamin B1 are: cereal skin, beans, nuts, celery, lean meat, animal viscera, millet, cabbage, fermented food, germ, rice bran and bran are also rich in vitamin B1; foods rich in vitamin B2: animal liver, kidney, heart, pork, wheat flour, sheep kidney, chicken liver, rice, cucumber, eel, eggs, milk, beans and some Vegetables, such as rape, spinach, garlic and other green leafy vegetables can provide vitamin B2.

Foods rich in vitamin C: fresh vegetables and fruits, such as green vegetables, leek, spinach, persimmon pepper, celery, cauliflower, tomato, garlic, lemon, sweet pepper, spinach, radish leaves, cabbage, potatoes, Dutch beans and citrus, orange, pomelo, red fruit, grapes, sour dates, fresh jujube, strawberry, persimmon, golden orange. Wild amaranth, alfalfa, Rosa roxburghii, Hippophae rhamnoides, kiwifruit, jujube and other vitamin C content is particularly rich.

2. Foods containing vitamin E, such as nuts and crude grains

It can reduce the incidence of lung cancer by about 20% in smokers. Foods rich in vitamin E include oil extracted from soybean oil and other plant seeds. Foods rich in vitamin E include oil seeds and vegetable oils, such as wheat germ oil, corn oil, peanut oil, sesame oil, beans, coarse grains and so on, which are important sources of vitamin E. Certain cereals, nuts and green leafy vegetables also contain a certain amount of vitamin E.

3. Drink more tea regularly

Because some compounds contained in smoke can lead to intima thickening, gastric acid secretion significantly reduced and blood sugar increased, and tea catechins can effectively prevent cholesterol deposition on the vascular wall, increase gastrointestinal peristalsis and reduce blood and urine sugar. Smokers should often drink more tea to reduce the onset of these illnesses caused by smoking. At the same time, tea can diuretic, detoxify, but also make some toxic substances in smoke excrete with urine, reducing its stay time in the body.

4. Alkaline foods rich in beta-carotene

Alkaline foods rich in beta-carotene can effectively inhibit smokers'addiction to cigarettes, and have a certain effect on reducing smoking and quitting smoking. It was found that carotene mainly comes from dark green or red-yellow vegetables and fruits, such as carrot, broccoli, spinach, hollow cabbage, sweet potato, mango, Hami melon, apricot and melon. Generally, the stronger the color of fruit or vegetable, the richer the content of beta-carotene. In addition, sunflower seeds also contain beta-carotene, which can prevent cell necrosis in the lower layer of human skin and make hair soft and beautiful; broccoli and asparagus are also rich in beta-carotene, which is a good antioxidant, can prevent the damage of free radicals in the body to cells, and has a certain anti-cancer effect; sweet potatoes are rich in beta-carotene, potassium, iron and vitamin. Biotin B6. Every 100 grams of sweet potatoes produces one third less calories than rice, and the content of vitamin B1 and vitamin B2 is six and three times higher than rice, respectively.

5. Food rich in selenium

Frequent smoking can easily lead to low selenium content in human blood, and selenium is an indispensable trace element for cancer prevention and anti-cancer. Therefore, smokers should often eat more selenium-rich foods. Eggs include eggs, duck eggs, goose eggs and quail eggs. Meat includes pork kidney, cattle kidney, sheep kidney, pork, mutton, donkey meat, duck liver and chicken liver. The food of fish and shrimp is squid, sea cucumber, dried squid, mussel, cuttlefish, swimming crab, clam, oyster, sea crab, etc. Legumes include purple beans, red beans, mung beans, kidney beans, soybeans and so on. Cereals include wheat germ flour, corn flour, empty pot cakes, peeled millet, indica rice flour, etc. Vegetable-tired foods include garlic, coriander, rape, alfalfa, spinach, onion and cabbage. Fruit foods include mulberry, longan, apple, grape peach, crabapple and apricot.

6. Foods that reduce or inhibit cholesterol synthesis

Because smoking can increase the amount of cholesterol and fat deposits in blood vessels, decrease the amount of blood supply to the brain, easily cause brain atrophy, accelerate brain aging and so on. Therefore, smokers should eat less fat containing saturated fatty acids in their diet, and increase some foods that can reduce or inhibit cholesterol synthesis, such as milk, fish, soybean products and some high-fibre foods, such as chili powder, cinnamon, fruits and vegetables. Many people like big fish and big meat to keep out the cold. In winter, people should eat more food which can reduce or inhibit cholesterol synthesis.