Marijuana is the most used illicit drug in the United States. The effects are caused by THC which acts on brain cell cannabinoid receptors.

Inhalants are substances that the user beaches in the vapors. Intoxication is short lasting up to 30 minutes for most inhalants.

Benzodiazepines are a depressant drugs that are commonly prescribed to treat anxiety, insomnia, panic attacks, and other nervous system disorders.

Meth is used both legally and illegally. When used legally, meth, under the brand name Desoxyn, is prescribed for patients with severe attention deficit disorder, obesity, and narcolepsy.

Commonly known as “bath salts,” synthetic cathinone is a  human-made stimulant chemically related to cathinone, a substance found in the khat plant. Bath Salts usually take the form of a white or brown crystal-like powder, and the effects are highly unpredictable.

Cocaine (aka coke, blow, crack, or coke) is a strong stimulant mostly used as a recreational drug with a very high addiction potential. It is commonly snorted, rubbed on gums, or dissolved in water and injected into the veins.