Выполнила ученица 7 класса Скороходова Мария Руководитель: Севастьянова М. Н.

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Выполнила ученица 7 класса Скороходова Мария Руководитель: Севастьянова М. Н.

Цель: изучить влияние жевательной резинки на здоровье человека.

Объектом исследования явился процесс изучения влияния жевательной резинки на здоровье человека. Предметом исследования стала жевательная резинка. Гипотеза исследования: Действительно ли жевательная резинка способна нанести серьёзный вред организму?

Задачи: Проследить историю развития данного продукта. Выявить степень положительного и отрицательного влияния данного продукта на здоровье человека. Разработать рекомендации по употреблению жвачки. Сделать выводы по теме исследовательской работы.

History of chewing gum People worldwide have chewed on natural materials for hundreds of years. Some of these materials include thickened resin and latex from certain types of trees, various sweet grasses, leaves, grains and waxes. The ancient Greeks chewed mastic gum for centuries. This substance is formed from the resin contained in the bark of the mastic tree found mainly in Greece and Turkey. Grecian women favored chewing mastic gum to clean their teeth and sweeten their breath.

ПАТЕНТОВАННАЯ ЖВАЧКА The most successful chewing gum company ever is that established by William Wrigley, Jr., in Although the company, run by the founder's son and grandson after his death in 1932, developed a wide array of flavored gums, it dropped many of these to concentrate on its biggest sellers: "Juicy Fruit," "Doublemint," and "Wrigley's Spearmint."

Состав жевательной резинки Для того что бы понять, вред или пользу приносит «жвачка», нужно разобраться в ее составе. И так, в состав «жвачки» входит: Латекс – это основа жвачки Ароматизаторы – они не всегда безобидны Красители – многие из них очень вредны Подсластители, сахар – давно доказано, чем дольше его контакт с зубами, тем выше риск кариеса. Ацесульфам – К – по своей структуре он сходен с сахарином и способствует развитию опухолей. Аспартам – вызывает головную боль, головокружение и тошноту. Сорбит и ксилит – больше одной упаковки в день может дать слабительный эффект.

advantages Chewing gum increases the power of concentration Chewing gum releases tension Fresh breath Doesnt fatten It helps prevent dental caries It increases the glucose levels in the body. It keeps the teeth free of bacteria.

disadvantages Chewing gum containing sugar, contribute to the development of caries. For a taste of chewing gum also add various flavorings many of which are harmful to the liver and cause allergies. Chewing on an empty stomach promotes the development of gastritis.

the drawbacks of chewing gums in school If a child eats sugary gums, the quality of his tooth enamel can lessen over time. Some teachers are of the view that chewing gums can be very distracting in the class. Children are busy chewing, blowing balloons and having fun with them and tend to overlook what is being taught in class. Secondly, children stick gums anywhere on the tables, walls, chairs.

Как часто вы пользуетесь жевательной резинкой?

С какой целью вы используете жевательную резинку?

Basic rules of use chewing gum Chew after eating no more than 10 minutes. Do not chew on an empty stomach. Do not give up my toothbrush! Prefer gum with sugar substitutes. Do not buy chewing gum with dye

What do you choose?

Health or…?

…Or chewing gum?

It is your choice.