Alcohol

Cigarettes

Smokeless Tobacco

Marijuana

Hallucinogens

Tranquilizers

Inhalants

Crack

Diet Pills

Ritalin

Cocaine HCl

Opiates

Alcohol-5+ Drinks a Day

Marijuana-Daily Use

Cigarettes-Daily Use

Tobacco-Perceived Harmfulness

Alcohol-Perceived Harmfulness

Marijuana-Perceived Harmfulness

All Data