NIDA for Teens: The Science Behind Drug Abuse for teachers
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Mechanism of Action

Mechanism of Action

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THC, the main active ingredient in marijuana, binds to and activates specific receptors, known as cannabinoid receptors. There are many of these receptors in parts of the brain that control memory, thought, concentration, time and depth perception, and coordinated movement. By activating these receptors, THC interferes with their normal functioning.