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Biology notes for class 12 - Drug and Alcohol Abuse

Biology notes for class 12 - Drug and Alcohol Abuse We offer Biology notes, Chemistry notes as per the CBSE syllabus. Our main objective is to provide quality and result oriented education as well as guidance to the students’ perusing various courses, in order to achieve their goals. Drug - In pharmacology (branch of medicine concerned with the uses, effects, and modes of action of drugs), a pharmaceutical drug, also called a medication or  medicine , is a chemical substance used to treat, cure, prevent, or diagnose a disease or to promote well-being. In general, a drug is any substance (with the exception of food and water) which, when taken into the body, alters the body’s function either physically and/or psychologically. Drug abuse  is an extreme desire to obtain, and use, increasing amounts of one or more substances. Drug abuse is a generic term for the abuse of any drug, including alcohol and cigarettes.  Drug abuse  is not the same thing as  drug dependence or drug