A crash diet is a diet which is extreme in its nutritional deprivations, typically severely restricting calorie intake. Dieting is the practice of ingesting food in a regulated fashion to achieve or maintain a controlled weight This article is about the unit of energy For its use in Nutrition and Food labelling regulations, see the article on Food energy. It is meant to achieve rapid weight loss and differs from outright starvation only slightly. Weight loss, in the context of Medicine or Health or Physical fitness, is a reduction of the total Body weight, due to a mean loss of fluid Starvation (also called inanition) is a severe reduction in Vitamin, Nutrient, and Energy intake and is the most extreme form of They are not meant to last for long periods of time, at most a few weeks.

Effects

Crash diets are typically unhealthy and are rarely, if ever, recommended by doctors or dietitians, as they can lead to malnutrition. A physician, medical practitioner or medical doctor who practices Medicine, and is concerned with maintaining or restoring human Health A dietitian (also 'dietician' though 'dietitian' is used consistently by professionals is an expert in Food and Nutrition. Malnutrition is a general term for a medical condition caused by an improper or insufficient diet.

After a person discontinues a crash diet, the "yo-yo effect" is often seen. Yo-yo dieting, also known as weight cycling, is a repeated loss and gain of Body weight due to excessive Dieting. This causes a person to eat far more than normal, causing he or she to regain not only the weight lost from the diet, but additional weight too.

See also

• Anorexia nervosa

References