The quality and quantity of food we eat is directly linked to our overall health levels. But how many of us are really aware of exactly how much food we are eating? The LifeQuotes4U team is proud to present you with the ultimate guide to calories. This infographic explains exactly what a calorie is and how many we are supposed to consume on a daily basis. It also shows how many calories are in some of our favourite fast foods. You'll never look at that sweet and sour chicken order in the same way again!