Illegal Drugs Something or substances that cause addiction, habituation and marked change in consciousness. Statistic - over 40% of high school senior in worldwide are used some kind of illegal drugs. Two common drugs ( marijuana & cocaine ). marijuana Marijuana is commonly referred to as Pot, Mary Jane, Chronic, Weed, and Reefer product of the hemp plant Example of Hemp plant Rolled into cigarette ( joint ) Rolled into cigar (blunt) Smoke in water pipe ( bong) Cocaine Cocaine is commonly referred to as Coke, Freebase, Big C, Lady, Candy, and Snow. Cocaine is derived from the leaves of the cocoa plant and is then further processed to produce the common street drug cocaine THANK YOU