Eating fruit immediately after a meal is likely to cause the fruit to linger in the stomach, so that the fructose and stomach acid to cause excessive fermentation of the rice eaten, resulting in a large amount of gas, which will lead to bloating, hiccups or gastrointestinal discomfort.
Fruit should always be eaten one hour after a meal. Similarly, eating whole grain bread before drinking coffee can lead to forgetfulness and irritability. Because caffeine will destroy the whole wheat bread contains vitamin B1, long-term consumption of large quantities will lead to vitamin B1 deficiency, resulting in inattention, forgetfulness, anxiety, depression and irritability, fatigue. It is best to use them separately.
The second eating apples after eating groundnuts can lead to gastrointestinal discomfort. Research has found that groundnut rich in starch after eating will secrete a lot of stomach acid, meet apple dietary fiber contained in the fruit acid, will produce a kind of not easy to dissolve the clot, so you feel uncomfortable stomach, must be separated from more than an hour to eat.
Thirdly, drinking beer after eating cured and smoked foods can lead to cancer and consumption disease problems. Drinking a lot of beer blood lead content is high, and cured smoked food contains organic ammonia, some processing or cooking process will produce some of the substances that lead to cancer and digestive diseases, these two must be separated by more than an hour to eat.