Just look at the Halloween eyes... & terrifying display of altered states.
I definitely recommend the interesting segment...(below) which details the subject's visits to the Shaman; said to be in the Waters where Indian ancestors came to Earth... A truly excellent film ...
Note: I am least drawn to the ayahuasca phenomenon, as I feel that my being is pulled up by the cosmos... Many who ARE drawn to this cleansing experience, appear to hold a "root-bound" existence. For the later; their lives are a time of healing.
-Have a Very Happy Halloween! -MB xoxox