Nutrition in health and disease.

Nutrition touches on every aspect of healthcare and medical practice. It may sometimes appear peripheral or coincidental, but often it is fundamental to a successful outcome. The underlying principles of nutrition and aspects of nutritional care should be integral to the training of every doctor. This article will consider selected areas of practice where common problems in nutrition are important, in order to illustrate the potential for effective nutrition in the promotion of health and disease and in the prevention and treatment of disease.