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Douglas Lisle, PhD is a graduate of the University of California at San Diego. He received his Ph.D. in Clinical Psychology from The University of Virginia, and was appointed Lecturer in Psychology at Stanford University. Dr. Lisle is currently the Director of Research for TrueNorth Health Center and has published numerous articles in the scientific literature. He is the co-author of The Pleasure Trap and is in private practice conducting psychotherapy at the TrueNorth Health Center. Dr. Lisle is a lecturer for the CNS and eCornell Plant-Based Nutrition Certificate.

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