This lecture introduce on Illegal Drugs. Illegal drugs are drugs which have limitations on their ownership or use by a government, and are illegal in certain situations. Example: Marijuana – otherwise known as ‘dope,’ ‘weed,’ ‘hash,’ ‘skunk,’ ‘grass,’ ‘solid’etc. Do you know how long-term use might affect you and from where is this drug extracted. Commonly used illegal drugs include marijuana, heroin, cocaine, amphetamines and methamphetamines and club drugs.