Dieting to lose weight will lead to insufficient calorie intake: the energy consumed by normal people every day includes two parts, one part is needed for daily work and life, and the other part is used to maintain the normal operation of various organs of the body. Therefore, even if people lie still, their bodies are constantly consuming energy. If the body is short of calories for a long time, the functions of various organs are bound to be affected, and even irreversible damage will occur.
Dieting to lose weight will lead to insufficient intake of protein: protein deficiency will inevitably lead to negative nitrogen balance, which will lead to slow growth, emaciation, decreased resistance and affect intellectual development. In severe cases, there will be malnutrition edema. The puberty development of girls is earlier than that of boys, accompanied by obvious endocrine changes.
Dieting to lose weight will lead to insufficient intake of various vitamins: cereals are rich in B vitamins, especially vitamin B2, which will cause angular stomatitis and glossitis when lacking; Vegetables contain a lot of vitamin C, which will lead to scurvy when lacking; Vitamin d deficiency can cause abnormal bone metabolism, short stature or bone deformation; Vitamin A deficiency can lead to night blindness.
Dieting and losing weight will lead to insufficient intake of trace elements: insufficient or improper intake of calcium and phosphorus will directly affect bone development; Iron deficiency can lead to anemia; Zinc deficiency will affect human growth and gonadal development.
Dieting to lose weight can lead to menstrual disorder: this amenorrhea is completely caused by the sharp weight loss caused by dieting. Because adolescent women need to accumulate a certain amount of fat to make menarche come as scheduled and keep the regularity once a month. If you lose weight blindly and lose body fat, you can delay menarche, and those who have already come to menarche can have menstrual disorder or amenorrhea.
Dieting to lose weight will increase the risk of gallstones: dieters' low-calorie and low-fat diet will put patients at risk of gallstones. The reason is that when the intake of fat and cholesterol drops sharply and hunger occurs, the gallbladder can't deliver enough bile to the small intestine, and bile stasis will form stones.