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hallucinogen
hallucinogen A hallucinogen is a drug that can produce major changes in perception, thinking, mood, and feelings, including hallucinations, illusions, delusional ideas, or paranoia.
A hallucinogen is a drug that can produce major changes in perception, thinking, mood, and feelings, including hallucinations, illusions, delusional ideas, or paranoia. What sets these drugs apart is their ability to create unusual states of awareness and experience not normally encountered.