Marijuana cognitive abilities

Acute physical and psychological effects. Marijuana intoxication has an adverse effect on attention span, short-term memory, and psychomotor performance. Anxiety and panic attacks can occur, primarily in new users who are not familiar with marijuanas eflFects. At very high doses, some people experience delusions and hallucinations. There are no cases of fatal marijuana poisoning and humans are very unfikely to be able to ingest a fatal dose. The eflFect of marijuana intoxication impairs motor and cognitive abilities necessary to safely drive a car or operate machinery. The extent to which marijuana is involved in auto accidents is unclear. Many motorists intoxicated with marijuana drive more slowly and carefully and take fewer risks. However, there is an increased risk of accidents after using marijuana, but marijuana alone does not appear to contribute a great deal to accidents. Marijuana in combination with alcohol does. 

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