Small pieces of tar
Small pieces of tar, discovered by archaeologists during excavations of settlements of ancient people, it is not that other, as the first chewing gum. In Ancient Greece and the middle East, chewing the resin of mastic tree used for cleansing teeth. For over 1000 years by the Mayans for the same purpose used the juice of hevea (rubber), as well as to constantly train their gums and chewing muscles used a mixture of wool and honey. After Columbus ‘ discovery of America, along with tobacco was brought to Europe and the prototypes of the modern chewing gums. However, the Europeans were able to estimate all advantages of the constant chewing.
6 the rebirth of chewing gum occurred in the USA a few centuries later. For chewing began to use spruce resin. For a good chew this material had it for a long time to warm up in the mouth, and this has hampered the spread of chewing gum. A real breakthrough in “chewing” the industry has been the use of juice Sapodilla, that has properties similar to latex. Soon in chewing gum by adding sugar and various flavorings. In 1939 was born the work of the American Professor Hollingworth in which mylobeditor proved that the constant chewing relieves muscle tension and stress. Since then, gum has become a mandatory component in the rations of American soldiers.
Since then, gum has become a permanent attribute of human life.
So whether chewing gum useful? Let’s try to define all of the + and – chewing gum.
A pleasant taste. 2) Cleanses the mouth. 3) Refresh the oral cavity. 4) Relieves muscle tension and stress. 5) Contained in chewing gum sweeteners. (sorbitol, xylitol) restore acid-alkaline balance.
Champ. 2) Putting up a “memory” of the gum, held maxillo-occlusal treatment, under the table, on the table, under the chair… 3) Damage of clothes. 4) Harmless, contain no drugs gum is addictive is akin to coffee and cigarettes. 5) Psychologists say that children who are not producing gum from the mouth, decreased level of intelligence. 6) the Constant chewing dulls attention and weakens the process of thinking, making it difficult to concentrate.
Continuous chewing exhausts the stomach and digestive system, without giving them a break. 8) Chewing on an empty stomach stimulates the secretion of digestive juice, corrodes the mucous membranes, which can lead to gastritis and ulcers. 9) very resilient gum can destroy crowns, bridges, fillings pull. 10) all Kinds of chemical additives and dyes can cause allergies, inflammation, irritation, pain in the abdomen. In “Dirol” contains E171 dye, which can cause liver diseases and kidney, “Stimirol” – E131, dye, contributing to the formation of cancer cells. And this is only part of the list “Ministry of health warns!” 11) Chewing gum containing sugar, cause a decrease in pH, thereby contributing to the development of caries.
17 But if there are no forces to abandon the gum and not to be like a ruminant, try to adhere to the following rules:
18 1) no matter How difficult to read small labels on packages, read them. Chewing gum contain both useful and harmful substances.
19 With a “+” Research has shown that replacing sugar for sorbitol, xylitol reduces the incidence of tooth decay. In most chewing gums use these sweeteners. Well, when the chewing gum composition is present calcium lactate: tooth enamel gets this mineral for recovery of microdamages from saliva
With the sign “-” most Often in the chewing gum composition of the present dyes E171, E102, E133, E129, E132, stabilizers, taste -E414, E422, emulsifier – E322, which damage the liver. It is better to refrain from chewing gum with “flavor, natural identical”. Incomplete information on the label may be classified as a sign of low quality product. In chewing gums made in third world countries, used styrene butadiene rubber (in Russia it is prohibited to use in food production). Such “gum” can only be determined by tasting: usually it is more rigid, quickly loses its flavor and begins to taste bitter.
After lunch or snacking during the day you can chew gum no more than 15 minutes. Usually this is enough to prevent the formation of soft plaque and restore the acid balance.
Do not use “gum” before eating: you may lose appetite and bad stomach.
“Gum” in no event it is impossible to swallow. It may get stuck in the gastro-intestinal tract. There are known cases, when “gum” became a cause of gastric lavage in a hospital.