HYGIENE AND HEALTH
HYGIENE AND HEALTH The three basic necessities of man are generally accepted to be food, shelter, and clothes. Food is unquestionably the most crucial of these, as humans can only go without it for a short period of time, in contrast to the millions of people who lack clothing and shelter but manage to live long lives. Environmental, social, and mental factors all have an impact on health. Diet is one major environmental component that is crucial for the promotion and maintenance of good health