Whois & Analysis for lifesum.com

Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.

It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion.

Health is the level of functional and metabolic efficiency of a living organism.

In humans it is the ability of individuals or communities to adapt and self-manage when facing physical, mental or social changes.

The World Health Organization (WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity." This definition has been subject to controversy, in particular as lacking operational value, the ambiguity in developing cohesive health strategies, and because of the problem created by use of the word "complete".

Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.

In nutrition, diet is the sum of food consumed by a person or other organism.

The word diet often implies the use of specific intake of nutrition for or reasons (with the two often being related).

Although humans are omnivores, each culture and each person holds some food preferences or some food taboos.

This may be due to personal tastes or ethical reasons.

Individual dietary choices may be more or less healthy.

Food is any substance consumed to provide nutritional support for the body.

It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals.

The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth.

Weight loss, in the context of medicine, health, or physical fitness, refers to a reduction of the total body mass, due to a mean loss of fluid, body fat or adipose tissue and/or lean mass, namely bone mineral deposits, muscle, tendon, and other connective tissue.

Weight loss can either occur unintentionally due to malnourishment or an underlying disease or arise from a conscious effort to improve an actual or perceived overweight or obese state.

"Unexplained" weight loss that is not caused by reduction in calorific intake or exercise is called cachexia and may be a symptom of a serious medical condition.

is commonly referred to as slimming.