Food processing makes a broad assortment of foods available that most people could not otherwise eat. It enables people to eat certain foods year-round, including frozen and canned fruits, vegetables, and meat products. Processed foods and prepackaged meals are extremely convenient. But what unhealthy ingredients are contained in many processed foods? Some are made with trans fats, saturated fats, lots of sugar, large amounts of sodium, and food additives such as food coloring. Readers learn about the dangers of eating too much processed food, the unhealthy effects to their cardiovascular health, autoimmune system, and teeth, as well as the development of certain food allergies. Various strategies for making healthy meal choices will also be presented.