Hallucinogen Persisting Perception Disorder (HPPD) is a cognitive disorder in which individuals continuously re-experience visual and other sensory hallucinations that they first experienced while ...
A.J. took two small hits off a cannabis vape pen, a common ritual with his morning coffee. Moments after exhaling, a transfigured, kaleidoscopic version of the world emerged before his eyes. “Some ...
Hallucinogen Persisting Perception Disorder (HPPD) is a cognitive disorder in which individuals continuously re-experience visual and other sensory hallucinations that they first experienced while ...
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