Effects of Junk Food

Junk food is a derisive slang term for food that is of little nutritional value and often high in fat, sugar, salt, and calories.

Junk foods typically contain high levels of calories from sugar or fat with little protein, vitamins or minerals. 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 with the more highly processed items usually falling under the junk food category.

The effects of food on our physical and mental health are extensive - the extent to which junk food and fatty foods impact our daily lives are still partly unknown. What researchers have known for a long time is that a diet consisting of lots of junk food can lead to obesity, heart disease, diabetes, and a decline in cognitive functioning and many more health problems. What they did not know until recently is just how quickly such a diet can affect the body.

http://astronutrition.com/blog/impact_junk_food

http://en.wikipedia.org/wiki/Junk_food

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