YA-LING J. LIOU is an evidence-based chiropractic physician with more than three decades of clinical experience. The Everyday Pain Guide series distills not just a vast body of knowledge but also her collective experience as an adjunct faculty member at Bastyr University and, prior to that, while instructing massage therapy students in anatomy, physiology, and kinesiology. Dr. Liou now lives, works, and writes in Seattle.