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Planet Green
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Chocolate does a pretty good job of making lots of people happy. This is because of the pleasure-inducing physiological effects of compounds inside chocolate, chocolate's taste and its psychological effect as a comfort food. The most popular psychoactive drug in the world is part of chocolate: It's caffeine (1, 3, 7-trimethylxanthine), which stimulates the adenosine and dopamine receptors in the brain, resulting in the release of pleasure-producing chemicals. Cannabinoids - - fatty acids in chocolate related to the active ingredient in marijuana - - stimulate the CB1 and CB2 receptors in the frontal cortex of the brain, producing a relaxed feeling. Phenylethylamine (the "love drug" and hallucinogen found in chocolate), releases dopamine and serotonin.
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