In pharmacology, Dictionary.com defines a drug as "A chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being." Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.
Many natural substances such as beers, wines, and some mushrooms, blur the line between food and drugs, as when ingested they affect the functioning of both mind and body.
There are many stories about drug abuse. People dying, getting high, some kids even getting special medical treatments. Some kids do it to be cool, some for stress, and some for curiosity of how it feels. People do drugs because they think that taking drugs will make them feel good about themselves or takes away unwanted feelings, but drugs have other effects. Drugs change the chemicals in our brains, and when those chemicals change our feelings and actions change too.
Keywords: Coffee, cigarettes, drugs.