Stimulants are drugs that increase certain functions of the central nervous system. These drugs increase mental alertness, reduce hunger, and provide a feeling of well-being. Its medical uses include treatment for narcolepsy - a condition characterized by an overwhelming desire ...
People have many attributes. They differ greatly in distinctiveness. Society selects certain attributes as means of identifying various categories of persons, and ignores others. Such attributes are age, sex, racial characteristics, membership in a group, organization, or society - as in ...
Like prescription eyeglasses, contact lenses are medical devices that have to be correctly prescribed, carefully fitted, and properly maintained to help a person see clearly and comfortably.
Contact lenses like our eyes are exposed to environmental pollutants, bacterial contamination, and ...
