Don’t eat fruits immediately after eating.
Fruits are rich in monosaccharides, which are usually absorbed in the small intestine, but they stay in the stomach instead of accessing to the small intestine when being taken after a meal; because the food discharges from the stomach after one to two hours of digestive process, fruits taken immediately after eating will be blocked in the stomach. If the retention time too long, monosaccharide will be fermented which causes bloating, diarrhea or excessive stomach acid, constipation and so on.
Don’t eat acidic fruits such as grapes immediately after eating fish, shrimps, because the act of eating fish, shrimp, and other materials containing high protein and calcium, with fruits containing tannic acid, is easily generate non-digestible substances , causing gastrointestinal discomfort. The best time to eat fruit is one hour before meal or two to three hours after meal. The consumption of orange and lemon is benefit for eating sausage, as such food products contain sodium nitrite as preservatives, while orange is good for health for rich in vitamin C, which may inhibit the synthesis of sodium nitrite.
Don’t brush teeth immediately after eating.
Otherwise, the act may damage the relaxed human enamel.
Don’t take a bath immediately after eating.
The bath can promote the dilation of blood vessels of the skin and limbs so that the blood flow in the stomach is reduced, as well as the secretion of digestive juice, then the digestive function is reduced too; therefore, the act of taking a bath after a meal may cause gastrointestinal diseases. In addition, such act also may cause the occurrence of coronary heart disease angina and myocardial infarction, especially more dangerous for patients with high blood pressure, high cholesterol. It is an appropriate time for a bath 1 to 3 hours after eating.