Psychedelic drug ayahuasca could treat PTSD, early studies hint. But exactly how it works isn't clear.
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Psychedelic drug ayahuasca could treat PTSD, early studies hint. But exactly how it works isn't clear.

Using methods such as brain scans and symptom tracking, scientists are beginning to study whether a complex psychedelic brew known as ayahuasca can help rewire the brain's response to trauma.