A drug is basically a chemical substance that changes a person’s mental and physical state. It affects the way your mind and body work and cause changes in mood, thoughts, feelings, awareness, or behavior. Drugs are categorized under two factors : 1. Legal  2. Illegal Legal drugs are permissible for use, either prescribed by a physician or available over the counter at a pharmacy store. They are intended for medical purposes like easing pain and treating other health conditions. Illegal drugs are not prescribed by a doctor or bought at any pharmacy store. They can be called “Street Drugs”. They…