Antidepressant - A major classification of drugs used medically to improve mood in severely depressed patients. Included are the tricyclic compounds, Amitriptyline (Alluvial) and Imipramine (Trofranil). These are rarely used for nonmedical purposes, as they have little immediate pleasurable effect on normal mood states.

Marijuana - also called weed, pot, reefer, grass, dope, ganja, mary jane and hash is the drug most often used in this country. It is a mix of dried, shredded flowers and leaves of the hemp plant. Most users roll loose marijuana into a cigarette. Hash users either smoke the drug in a pipe or mix it with tobacco and smoke it as a cigarette.

Ecstasy - is a synthetic drug that acts simultaneously as a stimulant and a hallucinogen. Ecstasy has been shown to cause brain damage in animals. In 2004, consumers were warned not to buy or consume a liquid called Green Hornet. This product is promoted on the Internet and sold in stores as an herbal version of the illegal street drug called ecstasy.