Hunger is defined as the body's basic physical need for food, whether in terms of calorie content or specific nutrients. Appetite, on the other hand, refers to the complex desires in humans for food and drink that are often conditioned or influenced by previous experiences or cultural factors as well as by a person's present health status. Appetite loss is simply a decreased interest in eating. Loss of appetite medically referred to as anorexia, can be caused by a variety of conditions and diseases. Some of the conditions can be temporary and reversible, such as loss of appetite from the...