Cousens advocates live foods therapy, a nutritional regimen of raw veganism which he says can cure diabetes, depression and other chronic degenerative diseases. He is the founder of the "Essene Order of Light", an offshoot of a New Age religion based upon modern interpretations of the Essenes, an ancient Jewish sect, teachings from the Jewish Kabbalah and the Torah, and Hindu beliefs. Essene Order of Light is taught by Cousens at "Tree of Life Foundation", an organization directed by Cousens and headquartered at its "Tree of Life Rejuvenation Center" in Patagonia, Arizona. Cousens has written books and tours internationally promoting his ideas on food and his spiritual beliefs﻿.