Here are entered works on optimal physical, mental, and social well-being, as well as how to achieve and preserve it. Works on personal body care and cleanliness are entered under Hygiene. Works on muscular efficiency and physical endurance are entered under Physical fitness. --subdivision Health under names of individual persons and families; also subdivision Care and hygiene under parts of the body, e.g. Foot--Care and hygiene; also subdivision Health and hygiene under classes of persons and ethnic groups; and subdivision Health aspects under types of industries, individual wars, and topical headings