Chewing gum originated in America. After the Second World War, humans experimented with chewing gum synthetic agent and synthetic resin and achieved success. Let chewing gum go global.

There is a deep affection between the United States and chewing gum, not only because chewing gum is one of the important export products of the United States, but also the 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 out the residue in the wrapping paper after eating chewing gum, wrap it in your pocket and throw it into the trash can.

Chewing gum has the function of cleaning teeth and keeping breath fresh, so many people like to chew chewing gum constantly every day. However, experts believe that chewing gum does more harm than good, and it is not recommended to eat chewing gum too much or too long.

Extended data:

Eating gum on an empty stomach can cause nausea, dizziness and other adverse reactions, which is very easy to cause gastritis and gastric ulcer, so don't chew gum for more than 20 minutes after meals. Otherwise, the digestive juice secreted when chewing gum will damage the gastric mucosa.

Chewing gum regularly will make the masticatory muscles tense, increase the chance of grinding teeth at night, and affect family rest.

References:

Baidu encyclopedia-chewing gum