The National Commission on Marihuana and Drug Abuse
Marihuana - A Signal of Misunderstanding.
Chapter II
marihuana use and its effects
Reverse Tolerance
Repeated exposure to marihuana has been said to cause an individual to need lesser
amounts of the drug to achieve the same degree of intoxication. This "reverse
tolerance" may be related to one's learning to get high or to the recognition of the
subtle intoxication at low doses. Or perhaps, such tolerance reflects an increase in the
body's ability to change the drug to an active chemical. To date, the existence of
"reverse tolerance" has not been substantiated in an experimental setting.
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