суббота, 18 апреля 2009 г.
Chew or not chew
Thanks to television advertising, on the acid-alkaline balance of today know everything. But there are other positive effects of regular chewing. There are also negative aspects.
The first chewing gum appeared in antiquity. Thus, the Indians, in order to continuously train their gums and chewing muscles using a mixture of wool and honey. After the opening of Columbus of America, along with tobacco came to Europe and prefigurations modern chewing rezinok. But Europeans have not been able to evaluate all the advantages of continuous chewing.
The second birth of chewing gum in the United States occurred several centuries later. For the use of chewing spruce resin. In order to well razzhevat this story had its long warm up in the mouth, and this has hampered the spread of chewing gum. This breakthrough in «chewing» industry was to use juice sapodilly that with properties similar to latex.
Soon, in chewing gum have been adding sugar and a variety of flavors. In 1939 the world was the work of American professor Hollingvorta, which has been convincingly proved that the constant chewing relieves muscle tension and stress. Since that time, chewing gum has become a mandatory component of the rations of American soldiers.
There are several reasons why chewing gum is useful for a person:
Chewing gum good job removing the teeth after eating. However, it must be remembered that chew can do the same for its cleaning power with the toothbrush. When cleared, only one chewing (chewing) surface of the teeth. All others remained untreated.
Chewing is accompanied by ample provision of saliva, which comes at the expense of cleaning the teeth and the partial removal of remnants of food from the mouth.
Contained in the chewing gum saharozameniteli (sorbitol, Ksila) restored the acid-alkaline balance. Acidic environment promotes the development of germs that cause caries, while the alkaline environment prevents this.
Constant chewing strengthens the gums, which in turn helps the body cope with gingivitis and parodontitis.
However, there are some negative aspects:
Chewing gum containing sugar, as they are today represented in the market in a wide range, causing a reduction in pH, thus contributing to the development of caries.
Constant chewing may have an adverse impact on the temporal-mandibular joint that connects the temporal bone and lower jaw. In this regard, with an inflammation of the joints is not recommended to chew.
Chewing gum is a powerful selection gastric juice. According to the Gastroenterology, chewing on an empty stomach may cause or aggravate gastritis.
We hope that now you'll chew properly!
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