Addicts
An instance or period of being under the influence of a hallucinogenic drug.
True or False.
The effects of hallucinogens are predictable.
The name of the hallucinogenic drug that certain American Indian tribes used to experience "spiritual visions.”
How many grams of LSD is enough to produce extreme hallucinations?
What is less than .001 gram
Today, it is the best known and most commonly used hallucinogen in the United States .