2 million people
use Erowid every month.
During the pandemic, only 70 of those contribute $1 or more.
Donations are down significantly.
Carbon Dioxide Therapy
A Neurophysiological Treatment of Nervous Disorders
Pub Date :
Edition(s) at Erowid :
back to library
back to books
Created by Erowid - Feb 27, 2007
Modified - Dec 21, 2017
Content & design © 1995-2020 Erowid.org. Permission required before publicly reproducing Erowid info.