Laughing often can enlarge the chest and increase the vital capacity. Especially when exercising in the morning, if you can laugh heartily, you can make your lungs inhale enough oxygen from nature, exhale carbon dioxide, and speed up blood circulation, so as to achieve the harmony of heart, lungs, viscera, qi and blood and maintain people's emotional stability. Although laughter can get rid of illness and strengthen the body, it must be moderate. Excessive abnormal laughter is harmful to the heart and lungs and will also hurt people's popularity.

Step 2 go to bed early

After beginning of winter, we should keep in good health according to the characteristics of winter. Among many ways to keep healthy, the simplest way is to sleep. In winter health, we must first ensure adequate sleep. For adults, it is best to sleep for 8 hours every day. If you don't get enough sleep at night, you can make up for half an hour to an hour at noon. Adequate sleep can effectively restore energy, nourish yin and fertility, which is beneficial to the accumulation of latent yang and yin and body fluid in winter.

Step 3 "point" less salt

Dry climate is harmful to the respiratory system and easy to induce upper respiratory tract infection. If the food contains too much salt, it will lead to a decrease in saliva secretion, making it easier for all kinds of bacteria to survive in the upper respiratory tract. High-salt diet may also reduce the ability of mucosa to resist diseases, allowing bacteria and viruses to enter and induce inflammation. Therefore, we should pay more attention to salt restriction in winter.

In daily life, "more salt will be lost", and the amount of salt used on the table should be controlled. The daily salt intake of each person should be below 6g (1 the bottle cap of beer is about 6g of salt), which can be seasoned with vinegar, sesame paste, curry, cooking wine and spices, and garlic, ginger, onion and pepper can also be added to enhance the taste.

4. Eat "point" fruit

(1) Apple

Nutritional efficacy: beginning of winter is dry in solar terms. Eating apples is a good way to moisten dryness. Apple contains a variety of vitamins and minerals, malic acid, tannic acid and fine fiber. Apple is also rich in sugar and potassium salt, which has the functions of promoting fluid production to quench thirst, moistening lung and strengthening spleen, nourishing heart and benefiting qi, promoting gastrointestinal peristalsis, regulating stomach and intestines, treating constipation, helping digestion, keeping blood sugar stable, lowering cholesterol and preventing gallstones.

(2) Persimmon

Nutritional efficacy: Chinese medicine believes that persimmon is cold, sweet and astringent, and has many effects such as moistening lung and resolving phlegm, clearing away heat and promoting fluid production, astringing intestine and stopping dysentery, invigorating spleen and regulating stomach, cooling blood and stopping bleeding. Dry in winter, it can be effective for diseases such as dry mouth, dry nose and dry throat. Persimmon can replenish human nutrition and intracellular fluid in time, and has the functions of clearing away heat and moistening lung, promoting fluid production and quenching thirst. Moreover, the organic acids in persimmons contribute to gastrointestinal digestion and increase appetite.

(3) Water chestnut

Nutritional efficacy: when water chestnut is tender, the skin is crisp and the meat is beautiful, and the food is fragrant. Water chestnut, as a raw fruit, can clear away heat and promote fluid production, relieve summer heat and quench thirst; Cooked food can replenish qi and strengthen the spleen, eliminate diseases and strengthen the body. When ripe, the meat is thick and sweet, and it is a high-calorie food with nutritional value comparable to chestnuts. When traveling in autumn, you can buy some Hong Ling raw food to quench your thirst and relieve fatigue.

(4) Fresh jujube

Nutritional efficacy: After beginning of winter, people will stay in the environment of alternating cold outdoors and warm indoors for a long time, which will easily lead to decreased immunity. At this time, you may wish to eat seasonal winter dates, which can supplement your body with vitamin C and improve your immunity. Because the vitamin C content of winter jujube is particularly rich, reaching 352 mg/100 g, which is 70 times that of apple and 0/00 times that of pear, it has the reputation of "living vitamin pill". To relieve stress, you can eat 3 to 5 fresh dates every day.