A) Insufficient heat energy directly affects the efficiency of study and work.
B) The balanced diet required by the human body is not satisfied.
2. Make do with lunch: lunch accounts for 40% of the distribution of three meals, and the energy and nutrition provided by lunch are the most important in a day, which plays a connecting role in supplementing the body's physical and mental energy in a day.
3, dinner is too rich: because breakfast and lunch have relatively little time and energy, modern people pay special attention to dinner, but dinner is too rich is actually unscientific. Eating a lot of high-protein foods such as meat, eggs and milk at dinner will increase the amount of calcium in urine and reduce the storage of calcium in the body, which will induce rickets in children, myopia in adolescents and osteoporosis in middle-aged and elderly people.
4. Eating at night: If you eat some foods with high protein and cholesterol content at midnight, it will easily cause symptoms such as indigestion and dysfunction. The life span of gastric mucosal epithelial cells is very short, and they need to be updated every 2 ~ 3 days, and the process of regeneration and repair is usually carried out at night when the gastrointestinal tract is resting.