This opens up many possibilities for health to be taught, strengthened and discovered. Health, based on the World Health Organization, is "a state of full physical, mental and social well-being and never merely the absence of disease and infirmity". A variety of definitions have been used for various functions over time. Health could be promoted by encouraging healthful actions, similar to common physical train and enough sleep, and by reducing or avoiding unhealthful activities or situations, corresponding to smoking or extreme stress. Still different components are beyond both individual and group selections, such as genetic problems. Public health additionally takes varied actions to restrict the well being disparities between different areas of the nation and, in some circumstances, the continent or world. Join Updates & Reminders From Healthcare Gov The focus of public health interventions is to forestall and handle illnesses, injuries and other health situations