People with insufficient folic acid intake are prone to insomnia, forgetfulness, anxiety and other depressive symptoms. Spinach is rich in folic acid, as are asparagus, kiwi fruit, oysters, oranges, peas, soybeans and dark green vegetables. In addition, foods rich in B vitamins, such as coarse flour products, grains, yeast, animal liver, fruits, etc., are also of great benefit to improving bad mood and depression. Light snow is also a good time to eat fish. Eating more fish is good for the elderly. Because the fatty acid contained in fish fat is the highest substance to promote brain development. Tuna, pine fish, squid and other fish contain a lot of fat, while beef and pork do not. About 50% of human brain is fat, of which 10% is this fatty acid. It helps to reduce inflammation in the brain,

Protect the blood supply to the brain. Alzheimer's disease is caused by the gradual decrease of this fatty acid in the brain. But eating more fish can supplement this fatty acid and prevent dementia. The eyes of tuna, pine fish, etc. Especially eye-catching. Because the orbital fat around the eyes contains a high concentration of this fatty acid, it can not only keep the brain young,

Can prevent arteriosclerosis and myocardial infarction.

1, loach

Sweet in taste and flat in nature, it has the effects of warming the middle warmer, benefiting qi, diuresis, detoxification and hemorrhoid collection. Misgurnus anguillicaudatus has tender meat and high nutritional value, and its slippery saliva has antibacterial and anti-inflammatory effects. Can be used for treating damp-heat jaundice, dysuria, night sweats after illness, etc.

2. Eel

Sweet and warm. It has the effects of tonifying deficiency, expelling pathogenic wind and dampness, and strengthening bones and muscles, and is mainly used for treating pulmonary tuberculosis, wind-cold-dampness arthralgia, postpartum lochia, dysentery, purulent blood, hemorrhoids and fistula. Can be boiled in clear soup, steamed or medicated diet, with meat as pills and boiled in boiling water. External tamping or slicing application.

3. Carp

Tianping. It has the effects of inducing diuresis to reduce swelling, lowering qi and promoting lactation, and is mainly used for treating edema, beriberi, jaundice, cough due to adverse qi and galactorrhea. Can be boiled in clear soup, steamed, sweet and sour or simmered.

4, crucian carp

Tianping. Has the effects of invigorating spleen and promoting diuresis, and can be used for treating spleen and stomach weakness, anorexia, dysentery, hematochezia, edema, stranguria and carbuncle. It can be boiled in clear soup, steamed, fried or taken into medicinal diet, pill powder and mashed for external use.

5. Salmon (salmon)

Salmon is rich in unsaturated fatty acids, which can effectively reduce blood lipid and cholesterol, prevent cardiovascular diseases, and effectively prevent the occurrence and development of chronic diseases such as diabetes. It has high nutritional value and enjoys the reputation of "treasures in water".

6. Tuna

Tuna can inhibit the increase of cholesterol and prevent arteriosclerosis, which has a special effect on the prevention and treatment of cardiovascular and cerebrovascular diseases.

7.sardines

Dilute blood, help dilate blood vessels, prevent hypertension and fat increase, and protect abnormal heart beat.