They operate with persons for a minimum of four months — a person thirty day period of planning leading up to two times of "ceremonies," followed by 3 months of "integration" post-retreat. During the 2000s, healthcare gurus started researching ketamine as a doable treatment for depression, according to Hans Eriksson, https://reviews-of-ketamine-infus79527.thekatyblog.com/26244558/ketamine-drug-for-depression-an-overview