Health and healthy body is the root of well being,” according to a well-known proverb. Health is the mirror image of disease, and it also refers to the body's immunity from physiological, social, and mental diseases.Health and healthy body is the root of well being,” according to a well-known proverb. Health is the mirror image of disease, and it also refers to the body's immunity from physiological, social, and mental diseases.Health and healthy body is the root of well being,” according to a well-known proverb. Health is the mirror image of disease, and it also refers to the body's immunity from physiological, social, and mental diseases.