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_________ are often used to relieve pain, reduce anxiety, lower heart rate and respiration, and induce sleep. A. Amphetamines B. Depressants C. Hallucinogens D. None of the above

User Obafemi
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2 Answers

2 votes
D is the correct answer.                                                 
User Pokemon
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I think that it is D.
User Mert Simsek
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