Chewing gum originated in the United States. After the Second World War, human beings experimented with chewing gum synthetic agents and synthetic resins, which made them successful. Make chewing gum go global.

There is a deep affection between America and chewing gum, not only because chewing gum is one of the important export products of America, but also a pride in the history of American invention. As for the chewing gum we eat now, it can be traced back to19th century.

Chewing gum is popular in Europe and America, and the treatment of chewing gum residue in Europe and America is also very interesting. Leave an inner wrapping paper when eating chewing gum, spit the residue in the wrapping paper after eating chewing gum, wrap it in your pocket and throw it in the garbage bin.

Chewing gum has the function of cleaning teeth and keeping breath fresh, so many people love to chew chewing gum constantly every day. However, experts believe that the disadvantages of chewing gum outweigh the advantages, and do not advocate eating chewing gum too much or too long.

Extended data:

Eating chewing gum on an empty stomach will cause nausea, dizziness and other adverse reactions, which are very easy to cause gastritis and gastric ulcer, so the time to chew chewing gum after meals should not exceed 20 minutes. Otherwise, the digestive juice secreted when chewing gum will damage the gastric mucosa.

Chewing gum often will keep the masticatory muscles in a state of tension, increase the chance of grinding teeth at night and affect the rest of family members.

References:

Baidu encyclopedia-chewing gum