Scientific American(@sciam):Cannabis can be relaxing—or it can cause anxiety and paranoia. Scientists have long wondered why weed can have these effects, and new research hints that something may be happening to the amygdala—the brain's emotional center. Here's what to know

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Scientific American@sciam

2026.10.07 14:23

Cannabis can be relaxing—or it can cause anxiety and paranoia. Scientists have long wondered why weed can have these effects, and new research hints that something may be happening to the amygdala—the brain's emotional center. Here's what to know