吃糖的利与弊英语作文
Chewing gum can make fresh breath, favorable social. But medical experts do not claim too much, chewing gum for too long, becau it may affect the body healthy. First of all, a lot of chewing gum with sugar as a sweetener, chewing sugar will be a long time to stay in the oral cavity, favorable oral cariogenic bacteria produce acidic substances, induced dental caries. "Journal of USA Dental Association" advid people to choo the new gum with xylitol sugar substitute. Becau xylitol and sucro as having the taste and nutritional value, but not fermentation acid, will not damage the teeth. Secondly, the u of mercury containing materials, their teeth best not to chew gum. Swiss scientists have found that regular chewing gum may damage the mouth ud for filling material, so that one of the amalgam relead, resulting in excessive mercury content in blood and urine, thereby causing harm to the brain, central nervous system and kidney. Again, chewing gum detrimental to children. Children's lf-control is poor, may cau swallowing chewing gum or strayed into the trachea, endanger life. In addition, long time chewing gum, chewing muscles is always in a state of tension, may cau sleep molar of bad habits, affecting the
quality of sleep. Expert proposal, chewing gum do not exceed 15 minutes, stomach more should not be too much chewing gum. Becau of long time chewing gum, can reflex xual ground to a large number of gastric acid cretion. Especially in the fasting state, not only will be naua, loss of appetite, acid reflux symptoms such as water, go down for a long time may also increa the stomach.
Different eating habits different eating habits my grandfather likes to eat vegetables, soup and other mild foods. Mother always likes sweets, but she will try her best to restrain the temptation of sweets. She knew that if a person's body was soaked too much, there would be problems.
My father has a passion for spicy food, and he doesn't eat too much pepper. Other tastes are just like my grandfather. I really like hot, spicy, strange food becau it's delicious.
