Junk food accessibility in schools has enormously expanded the rates of Childhood obesity. It has been discovered that in stomach, there are various microbial species exhibit that help the body cells to battle against obesity, diabetes, provocative gut conditions, coronary illness, and so on. Junk food executes these microbial species prompting expanded level of occurrence of overweight.
Junk food is a pejorative term for food containing high levels of calories from sugar or fat with little protein, vitamins or minerals. Use of the term implies that a particular food has little "nutritional value" and contains excessive fat, sugar, salt, and calories.Junk food can also refer to high protein food containing large amounts of meat prepared with, for example, too much unhealthy saturated fat;[citation needed] many hamburger outlets, fried chicken outlets and the like supply food considered junk food.
Foods commonly considered junk foods include salted snack foods, gum, candy, sweet desserts, fried fast food, and sugary carbonated beverages. Many foods such as hamburgers, pizza, and tacos can be considered either healthy or junk food depending on their ingredients and preparation methods.