Psychoactive substances are natural or synthetic chemicals that have the capability to alter at least one aspect of the mind (e.g., perception, mood). These substances can be classified into stimulants, depressants, hallucinogens, or opioids. Answer...
(Small wonder that Lexington had a return rate of 90%.) Dr Isbell, a longtime member of the Food and Drug Administration's Advisory Committee on the Abuse of Depressant and Stimulant Drugs, defended the volunteer program on the grounds that there was no precedent at the time for offering ...
The results indicated that acute THC does not block the stimulant effects of LSD (increases in standing and activity). However, subacute THC produced tolerance to the depressant cortical EEG (increase in delta) and behavioral (sprawling) activity of the cannabinoid and blocked some excitatory ...
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Alcohol's effects are largely overwhelmed by LSD, and they act in opposite ways: alcohol being a depressant and LSD being a (hyper)stimulant. Generally mixing stimulants and sedatives is counterproductive.MAO inhibitors ??? Amphetamines and cocaine ???