1. Children are in a vigorous period of growth and development, so they should pay attention to supplementing rich protein and calcium, and try to eat less food with high sugar content to prevent dental caries and obesity. If conditions permit, children usually have a glass of milk, an egg and a bun for breakfast. Of course, sometimes juice or porridge can be used instead of milk, or biscuits and steamed bread can be used instead of bread. 2. The body develops rapidly in adolescence, which is an important period for the growth of muscles and bones. It needs enough nutrients such as calcium, vitamin C and vitamin A, especially to ensure adequate heat supply. A reasonable breakfast for teenagers is a glass of milk, a proper amount of fresh fruits or vegetables, and 65,438+000g of dry snacks (foods with high carbohydrate content such as bread, steamed bread, cakes or biscuits). The calories contained should fully meet the needs of young people's mental and physical activities. 3. When people reach middle age, they shoulder two heavy burdens of work and housework, and their physical and mental load is quite heavy. In addition, the functions of tissues and organs of middle-aged people are gradually declining, and their physiological functions are also declining, and their physical strength and energy are not as good as those of teenagers. In order to slow down the decline of middle-aged people and postpone the arrival of "old age", it is also very important to maintain optimistic thinking and reasonable exercise. The diet of middle-aged people should not only be rich in protein, vitamins, calcium and phosphorus, but also be low in calories and fat. Proper control of carbohydrate intake. The ideal breakfast for middle-aged people is: an egg, a bowl of soybean milk or a bowl of porridge, a small amount of dry food (steamed bread, cakes, biscuits, bread) and a proper amount of vegetables. 4. The metabolism of the elderly has obviously decreased, but the essential nutrients cannot be reduced, especially to ensure the supply of calcium and prevent osteoporosis in the elderly. In addition to milk and soybean milk, the elderly can also eat porridge, noodles, floss and peanut butter for breakfast, which is easy to digest and nutritious. When a woman is pregnant, both the pregnant woman and the fetus need enough calories and nutrition, and breakfast should be more particular. Nutritionists point out that pregnant women should eat more foods rich in iron, and don't be picky eaters or partial eclipse, so as to prevent iron deficiency anemia and endanger their own and fetal health. If pregnant women have morning sickness, they can eat some soda cookies and have breakfast later. Pregnant women should eat at least one egg for breakfast; A glass of milk with cereal, and pay attention to eat some fresh fruits to ensure the needs of vitamins and other nutrients. The body's absorption of nutrients in the morning is limited. It is recommended to eat liquid food for breakfast, supplemented by a small amount of solid food. It is important to replenish water, but the nutritional value of boiled water is not high, so you should drink milk. Milk contains a lot of calcium, protein and vitamins needed by human body, which can meet the nutritional needs of human body. Drink a glass of milk in the morning. Lactose in milk can promote absorption and enhance intestinal peristalsis. A reasonable breakfast is a glass of milk, a proper amount of fresh fruits or vegetables,100g of dry food (bread, steamed bread, cakes or biscuits and other foods with high carbohydrate content); Middle-aged people should properly control the intake of carbohydrates, such as an egg, a bowl of soybean milk or a bowl of porridge, a small amount of dry food and a proper amount of vegetables; In addition to milk and soybean milk, the elderly can eat more digestible and nutritious foods for breakfast, such as porridge, noodles, pork floss and peanut butter. Getting up early with a glass of breakfast milk and solid food containing cereal fiber is simple and nutritious. You can also drink cereal breakfast milk directly, such as tartary buckwheat breakfast milk, to meet the dietary fiber and trace elements needed by the human body. The unique components of Tartary Buckwheat have a health care effect on softening blood vessels, maintaining microcirculation, improving the "sub-health" of modern people, and preventing arteriosclerosis and coronary heart disease.