A fast food restaurant, sometimes known as a quick service restaurant or QSR, is a specific type of restaurant characterized both by its fast food cuisine and by minimal table service. Food served in fast food restaurants typically caters to a Western-style diet; is cooked in bulk in advance and kept hot to order; and is usually available ready to take away, though seating is provided. Fast food restaurants are usually part of a restaurant chain or franchise operation, which ships standardized foodstuffs to each restaurant from central locations.The first fast food restaurants originated in the United States of America during the 1950s. Today, American-founded fast food chains such as McDonald's and Pizza Hut are multinational corporations with outlets across the globe.Variations on the fast food restaurant concept include fast casual restaurants and catering trucks. Fast casual restaurants have higher sit-in ratios, and customers can sit and have their orders brought to them. Catering trucks often park just outside worksites and are popular with factory workers.

One of the most common food choices for the average person is fast food. And, as if this is going to be a shock to anyone on the planet, fast food is one of the worst high calorie offenders. This list is taken from the nutrition facts of literally every single item from the menus of 25 popular fast food restaurants.

After going through the nutrition facts of every single item from the menus of 25 fast food restaurants, here's a list of the 272 highest calorie foods. A whopping 63 of them contain over 1000 calories.

As more Americans seek out products with green credentials, more quick and casual restaurants are ready to serve them. Eating green no longer means just ordering from a vegetarian menu. In fact, it doesn't even have to mean eating healthy.

After looking through the nutrition facts of literally every food from the menus of nearly 20 different fast food restaurants, here's a list of the 88 most unhealthy items.

The restaurant industry sales are going to hit $511 billion this year, and there are never enough restaurants and niche dining locations for consumers to choose from. Why? Because eating out will not go out of style, in fact, in a our fast paced world of get what you want and get it now, the food industry is growing while we order take out, depend.