National Institutes of Health (NIH)

Ingredients, and served to the customer in a packaged form for take-out/take-awayFast food restaurants are usually famous by their ability to serve food via a drive-through. According to the National Institutes of Health (NIH), fast foods are quick alternatives to home-cooked meals. They are also high in saturated fat, sugar, salt and calories. Eating too much fast food has been linked to, among other things, obesity and high cholesterol.