1, the top ten junk foods refer to fried food, canned food, pickled food, processed meat food, fat meat and animal offal food, cream products, instant noodles, barbecue food, frozen dessert, preserved fruit, preserved plum and candied food respectively. Most of these ten kinds of foods have the "three highs and three lows" of foreign fast food (high calorie, high sodium and high fat; Low in fiber, vitamins and minerals), high in sodium salt or sugar, and containing carcinogens, long-term consumption will have a great impact on human health. Five kinds of cereals in ancient food. There are many sayings about "five grains" in ancient times, and there are two main ones: one refers to rice, millet, millet, wheat and glutinous rice; The other refers to hemp, millet, millet, wheat and glutinous rice. The difference between the two is that the former has rice without hemp, while the latter has hemp without rice. The ancient economic and cultural center was in the Yellow River valley, and the main rice producing area was in the south, while the rice planting in the north was limited, so there was no rice in the original "five grains".

Tobacco is the raw material of cigarettes, which is harmful to people's health. Tobacco has become the second biggest "killer" after hypertension. According to the statistics of the World Health Organization, at present, about 5 million people worldwide die from smoking, and one person dies every ten seconds. Smoking increases the risk of cardiovascular disease and stroke. Diseases related to smoking include ischemic heart disease, oral cancer, esophageal cancer, laryngeal cancer, respiratory cancer, chronic obstructive pulmonary disease, emphysema, chronic bronchitis and diabetes.

3. Health education is to improve people's health awareness, make people understand some basic health knowledge (basic contents and implementation methods), and develop scientific, civilized and healthy living habits. Every community member should face health education.

4. Egg cholesterol is relatively high. How many eggs you eat every day varies from person to person. Young people can eat more, and middle-aged and elderly people should not exceed 1 a day.

5, often eat supper, you will get gastric cancer, because the stomach can not rest; I can't sleep if I eat too much, which causes insomnia. If you eat too much greasy food, you will easily accumulate fat and get fat.

6. Sugar is the main energy substance of human body, and more than 70% of the energy needed by human body is provided by sugar. It is also an important part of tissues and cells. Cereals are the main nutrients that provide sugar.

7. Minerals are important components of bones, teeth and other tissues, which can activate hormones and maintain the main hormone system, and have a very important physiological function regulation function. Vegetables and fruits are the main nutrients that provide minerals.

8. Water is the main component of body fluids in human body, and it is necessary to maintain life, accounting for about 60% of body weight. It has the functions of regulating body temperature, transporting substances, promoting chemical reactions in the body and lubricating.

9. Dietary fiber refers to the components in plants that cannot be digested and absorbed. It is an indispensable factor to maintain health. It can soften intestinal substances, stimulate gastric wall peristalsis and assist defecation. And reduce the absorption of cholesterol and glucose in the blood.

10, protein is the foundation of all life, which is constantly synthesized and decomposed in the body. It is an important part of constructing, renewing and repairing tissues and cells. It participates in regulating substance metabolism and physiological functions, and ensures the growth, development, reproduction, heredity and energy supply of the body.