Normally most people have a regular desire to eat food - an 'appetite'. Eating is an essential part of life, giving us the energy and nutrients our bodies need to stay healthy. If you lose your appetite, there is usually a reason behind it, and it often has a medical or psychological cause. Most often, having no appetite is a short-term problem.
This is a companion discussion topic for the original article at https://patient.info/healthy-living/healthy-eating/loss-of-appetite