(1) Wash your face in the morning and evening (2) Brush your teeth in the morning and evening (3) Wash your hands before and after meals (4) Wash your feet before going to bed (5) Wash your hair frequently (6) Take a bath frequently (7) Cut your nails frequently (8) Wash raw fruits and vegetables (9) Don't drink raw water (10) Don't read while lying down.

2. When should I wash my hands?

(1) Wash your hands before and after meals (2) Wash your hands before meals (3) Wash your hands after work (4) Wash your hands after playing games (5) Wash your hands after touching dirty things (6) Wash your hands after touching things that infect patients (7) Wash your hands after coming back from public places (8) Wash your hands before taking dishes and chopsticks.

3. When writing and reading, what should be the distance between eyes and books?

30-35 cm, about a foot.

4. Why do you want to get a haircut in time and wash your hair often?

Hairdressing and shampooing can remove dirt, dandruff and germs from hair and scalp, and prevent tinea capitis, dermatosis and head lice.

5. Why can't I drink raw water?

Raw water contains bacteria and eggs, which can cause intestinal infectious diseases (enteritis, dysentery, typhoid fever, etc.). ) and intestinal parasites (ascariasis, etc. ).

6. Why can't we eat bad food?

Rotten food contains a large number of germs and toxins, which can cause food poisoning, enteritis, dysentery and other symptoms, such as nausea, vomiting, abdominal pain, diarrhea, and even life-threatening in severe cases.

7. What are the disadvantages of picky eaters and partial eclipse?

Being picky about food and being partial to food will cause nutritional deficiency, lead to malnutrition and affect growth and health.

8. Why shouldn't you do strenuous activities immediately after a meal?

Just finished eating, my stomach is full of food. After strenuous exercise, it affects the normal digestion of gastrointestinal tract and can cause abdominal pain, nausea and vomiting. And it will cause indigestion and stomach trouble for a long time.

9. What should I pay attention to when reading and writing?

The posture is correct, the light is suitable, the distance between the eyes and the book is about one foot, and the time should not be too long. Don't read books when walking by car.

10, what are the benefits of eye exercises?

Eliminate eye fatigue, protect eyesight and prevent myopia.

1 1. How many times should I brush my teeth every day? When do you brush it?

You should brush your teeth twice a day, once in the morning and once in the evening.

12, how to protect teeth?

(1) Rinse your mouth after meals (2) Brush your teeth in the morning and evening (3) Don't bite hard things (4) Don't eat cold and overheated things (5) Don't eat before going to bed (6) Treat dental diseases in time.

13, why can't you bite your pen and fingers?

(1) Unclean handwriting and fingers (bacteria, eggs, dust, etc. ) can cause diseases.

(2) Affect the development of teeth and fingers.

How to prevent the flu

Influenza is an influenza caused by influenza virus, and its main clinical manifestations are: acute onset, chills and high fever, obvious fatigue, sore throat, headache, aches all over, and no stuffy nose and runny nose. Diarrhea is watery stool, acute fever, flushing on cheeks, hyperemia in the corner of conjunctiva and mild hyperemia in pharynx. Dry rales can be smelled in the lungs. 1 to 2 days, the fever reached its peak, and subsided in 3 to 3 days, but the fatigue lasted for more than a week. Mild flu has low fever, mild systemic and respiratory symptoms, and the course of disease is 2-3 days. Influenza patients are the most contagious in the first two to three days, and the main mode of transmission is airborne droplets. People are generally susceptible, with an incubation period of several hours to four days. It is spring now, and the temperature difference between morning and evening changes greatly, so it is difficult for human body to adapt to the change of external temperature, and it is necessary to strengthen prevention.

The main methods to prevent influenza are: regular ventilation to keep the indoor air fresh; Try to avoid going to public places with dense crowds and dirty air; Eat and live reasonably to ensure adequate nutrition and sleep; Add and subtract clothes according to the weather change, keep warm and don't catch a cold; Participate in outdoor sports activities to enhance physical fitness; Wash your hands frequently and pay attention to personal hygiene; If necessary, oral Chinese medicine decoction or western medicine can be taken for prevention. In addition, annual vaccination with the latest influenza vaccine is an effective means to prevent influenza, which can greatly reduce the infection rate and save medical resources.

How to prevent myopia

1, eye hygiene: don't read in bed, don't read in walking, in the car, under strong light or dark light; Keep a distance of one city foot (35 cm) when reading and writing. The light source should reach 75 m candle illumination and be placed in front of the left. When watching TV, the distance between people and TV is 2.5~3 meters, and TV is slightly lower than the visual horizon, usually not exceeding 1 hour; Playing video games should also be strictly limited, generally not more than half an hour.

2. Lack of calcium and chromium can induce myopia; High-sugar diet can also lead to prolonged axial length. Therefore, it is necessary to advocate eating more coarse grains and less candy, reducing the intake of fat (which will cause calcium deficiency) and reducing the discharge of chromium, which is conducive to preventing myopia.