The Encyclopedia of health. Healthy body

An examination of the importance of hygiene, problems associated with maintaining proper hygiene, and means of its effective practice.

Examines the basics of good nutrition by studying the categories of nutrients, their functions in the body, and problems of diet and nutritional deficiencies.

Discusses how teeth and jaws function, their diseases, and strategies for maintaining good dental health.

Examines the human body and its systems, including the nervous, digestive, and immune systems.

Outlines through the use of text and photographs how vitamins and minerals are used in the body and explains the potential dangers and benefits of megadoses.

Discusses the nervous system and its components and how they function.

Examines the vital mechanisms of human communication, speech and hearing, through a discussion of the body's role in these functions.

Discusses the five senses, the structure and function of the sensory organs, their interrelationship with the brain and nervous system, and dysfunctions and problems of the senses.

Examines the physiology of the body as it relates to the stresses of sports, the roles of nutrition, conditioning, rest, and the proper equipment in preventing injuries.

Examines the function of sleep in both humans and animals. Discusses REM sleep, dreams, insomnia, narcolepsy, and other sleep disorders.