How does cannabis get users high? Science explains.
Briefly

THC and other cannabinoid chemicals in marijuana are similar to chemicals that naturally occur in the body, such as anandamide, and function as neurotransmitters.
The neural communication network that uses these cannabinoid neurotransmitters, known as the endocannabinoid system, plays a critical role in the nervous system's normal functioning.
THC alters the functioning of the hippocampus and orbitofrontal cortex, enabling the formation of new memories and shifting the focus of attention.
This flood of dopamine contributes to the pleasurable high that recreational marijuana users seek, as THC stimulates neurons in the brain's reward system.
Read at www.mercurynews.com
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