John W. Spencer is a retired clinical neuropsychologist. He previously worked at the National Institutes of Health and later was an associate dean and director of the doctorate pro...ver másJohn W. Spencer is a retired clinical neuropsychologist. He previously worked at the National Institutes of Health and later was an associate dean and director of the doctorate program in clinical Christian psychology at Regent University. He has written and edited two editions of Complementary/Alternative Medicine: An Evidence-Based Approach (1999, 2003).ver menos