Don't eat fruit right away. ? Fruits contain compounds similar to brass, which are converted into dibenzoic acid by intestinal bacteria after ingestion, while vegetables contain thiocyanate. Under the action of these two chemicals, it interferes with thyroid function and can lead to non-iodine goiter. ?

Don't drink tea right away? Because the single component contained in tea is more willing to combine with protein and iron in food, it will produce colloid or precipitate that is not easy to absorb, and iron deficiency anemia and protein deficiency will occur for a long time. ?

Don't smoke right away? Because gastric peristalsis is accelerated, blood circulation is increased, and capillaries are dilated, which promotes the absorption of harmful substances in smoke. Smoking after meals absorbs more than ten times the harmful substances in smoke as normal smoking.

Don't drink too much water at a time. ? After drinking water, the pressure in the stomach will increase immediately, causing the food in the stomach to enter the small intestine before being digested. ? In addition, diluting gastric juice after drinking will weaken the digestive ability of gastric juice, which is not conducive to gastric acid sterilization and is easy to cause gastrointestinal diseases. ?

Don't drink soda right away? When soda water enters the stomach, it will dilute gastric juice, affect digestion, reduce appetite, produce carbon dioxide, increase gastric pressure, and lead to acute gastric dilatation?

Don't eat sugar right away? Sugar is easily converted into fat, which leads to obesity. ? Sugar can also reduce the function of islet secretion and promote the occurrence of diabetes.

So try to rest before exercise, so as to have a good rest before exercise.