Neuroimaging study sheds new light on how a dose of THC, the main psychoactive compound in cannabis, affects the human brain. THC increases glutamate concentrations in the striatum, a major brain structure involved in the coordination of body movement, decision-making and the initiation of action.

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Neuroimaging study sheds new light on how a dose of THC, the main psychoactive compound in cannabis, affects the human brain. THC increases glutamate concentrations in the striatum, a major brain structure involved in the coordination of body movement, decision-making and the initiation of action.