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Because of the earliest dates of fossil plants and animals, scientists agree
LSD
A powerful psychedelic drug known for altering perception, mood, and various cognitive processes.
Barbiturates
A class of drugs that act as central nervous system depressants, used primarily as sedatives or hypnotics.
Craving
A powerful desire for something, often used in the context of addictive substances.
Withdrawal
A set of symptoms that occur upon the discontinuation or decrease in intake of a substance that has been used regularly or in psychological contexts, the process of becoming emotionally detached.
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