what are the 3 primary elements of quality of life?
['Nutritious food. An important element in quality of life is nutritious food which helps physical, mental and intellectual development in an individual. ... ', 'Family size. The size of a family affects qualityof life. ... ', 'Health. ... ', 'Sanitation. ... ', 'Education. ... ', 'Income of family. ... ', 'Security. ... ', 'Saving.']