Some people like to eat some fruit after meals when the snack after meals, in fact, after meals should not eat fruit, so easy to suffer from hemorrhoids, or eat some fruit before meals is better. Especially the elderly, long-term after meals to eat fruit easy to constipation. Because, after the food enters the stomach, it must go through 1 to 2 hours of digestion process, in order to slowly discharged, if immediately after the meal into the fruit, will be the first to arrive in the food blocked in the stomach, resulting in the fruit can not be digested normally in the stomach, and therefore in the stomach stay too long, resulting in abdominal distension, constipation and other symptoms. There is also the fact that older people have weaker digestive capacity, so it is more likely to cause obstruction. Some experts also suggest that eating fruit after meals is better than eating fruit before meals. Our stomachs are basically emptied before meals, and after eating fruits, the sugars in them can be rapidly converted into glucose in the body, which is more easily absorbed by the organism. With the rise of sugar content in the blood, the brain will slowly reduce the feeling of emptiness in the stomach, plus the dietary fiber in the fruit can give the stomach a sense of satiety, thereby suppressing a strong appetite, to the normal meal naturally will not eat too much, this method of diet control can not be more appropriate. In addition to this, eating fruit before meals is also very beneficial to the absorption of various vitamins and minerals, so that you get sufficient nutritional supplements in a pleasant meal. So although there are a lot of food in life, but there is a choice to eat and when to eat what is also a scientific reason.