People eat three meals a day not just to fill their stomachs or satisfy their cravings, but mainly to ensure the normal development and health of the body.

For three meals a day, the digestion and absorption rate of protein in food is 85%; if it is changed to two meals a day, and each meal eats half of the whole day's food, the protein digestion and absorption rate is only

is 75%.

Therefore, according to the living habits of our people, generally speaking, three meals a day is quite reasonable.

At the same time, we should also pay attention to the appropriate time between two meals. If the interval is too long, it will cause a high degree of hunger and affect people's labor and work efficiency. If the interval is too short, the last meal will not be emptied in the stomach, so you will continue to eat.

The next meal will prevent the digestive organs from getting proper rest, and the digestive function will gradually decrease, affecting appetite and digestion.

Generally, the time that mixed food stays in the stomach is about 4 to 5 hours. The interval between two meals is 4 to 5 hours, and if it is 5 to 6 hours, it basically meets the requirements.

Biological clock and three meals a day: gourmet meals every day; modern research has proven that the digestive enzymes in the human body are particularly active during the three periods of morning, noon and evening, which shows that when people eat is controlled by the biological clock.

The brain and three meals a day: The human brain accounts for a large proportion of the human body's energy consumption every day, and the brain's energy supply can only be glucose, which requires approximately 110 to 145 grams per day.

The liver can only provide up to about 50 grams of glucose from each meal.

Three meals a day, the liver can provide enough glucose to the human brain.

Digestive organs and three meals a day: It takes about 30 to 60 seconds for solid food to travel from the esophagus to the stomach, and stays in the stomach for 4 hours before reaching the small intestine.

Therefore, the interval between three meals a day is 4 to 5 hours, which is also reasonable from the perspective of digestion.

Selection of foods for three meals a day: What foods to choose for three meals a day, how to prepare them, and what methods to cook them are all very particular and vary from person to person.

Generally speaking, the staple food and non-staple food of three meals a day should be matched in thickness, and animal food and plant food should have a certain proportion. It is best to eat beans, potatoes and fresh vegetables every day.

The scientific distribution of three meals a day is determined according to each person's physiological condition and work needs.

According to food intake, the ratio of breakfast, lunch and dinner is 3:4:3. If someone eats 500 grams of staple food every day, then he should eat 150 grams in the morning and evening, and 200 grams at noon is more appropriate.

. . . When is the best time to eat three meals a day for digestion? The problem of meal time is essentially a problem of the body's rhythm. You eat vigorously when you shouldn't eat, but you have no appetite when you should eat.

But those good moods and good bodies are all eaten with care! Breakfast──7:00 You may still be "sleeping" in bed at this time, but in fact your body temperature has begun to rise, your pulse has begun to accelerate, and your sympathetic nerves have become

Gradually active, the digestive function has begun to operate, the gastrointestinal tract is in a state of awakening, and can digest and absorb nutrients in food most efficiently. It is the best time for breakfast.

Snack - 10:30 You must know that during the time between 7 and 10 in the morning, your body's metabolism is 40% faster than at other times.

Therefore, you need to eat some low-fat carbohydrates to replenish energy at this time to help you concentrate and maintain a positive working state.

Lunch─12:30 When your body’s energy needs are greatest, it is the best time to eat lunch.

At this time, the digestive activity of your gastrointestinal tract is far less active than at breakfast, so you need to chew slowly when eating, and never eat lunch while staring at the computer.

Not only is it easy to gain weight, but nutrients cannot be absorbed.

Afternoon tea─15:30 This is also the time when you need to replenish energy immediately, because the glucose content in your body has been greatly reduced. Not only does your thinking speed slow down, but bad emotions such as irritability and anxiety also begin to emerge. If you do not replenish energy in time, your

It will be difficult for work to proceed smoothly and happily.

Dinner─18:30 Dinner must be eaten 4 hours before going to bed. This is the time required for food to be completely digested and absorbed in the gastrointestinal tract.

Otherwise, sleeping with undigested food will not only accumulate fat, but your sleep quality will also be greatly affected.

. Eating three meals a day and children's healthy growth . Breakfast: Research shows that compared to children who eat breakfast, students who skip breakfast perform much worse in class.

So this meal must be eaten well.

Kraus recommends whole grains, oatmeal, or bread for cereal; a boiled egg for protein; and fresh fruit rather than juice because the former contains more vitamins, minerals, and

Fiber; For dairy products, it is best to choose skim or low-fat milk, yogurt or cheese.

Lunch: Many schools now provide meals for children, but Kraus suggests that students should bring their own well-prepared lunches to prevent them from consuming too much fat or sugar, which may lead to listlessness in the afternoon and affect their learning results.

Keep your lunch varied and include different types, colors and sizes of fruit.

This ensures they get a variety of vitamins and minerals without getting bored due to monotony.

For carbohydrates, choose whole-grain foods such as tortillas, with fish or chicken.

For drinks, try to choose water, pure fruit juice, skim or low-fat milk.

Snacks: Many students will feel hungry after returning home from school, so they can’t wait to find snacks.