CYNTHIA LI, MD, received her medical degree from the University of Texas Southwestern Medical Center in Dallas. She has practiced as an internist in settings as diverse as Kaiser Permanente Medical Center, San Francisco General Hospital, and St. Anthony Medical Clinic serving the homeless. After an autoimmune illness left her housebound for 2 years, she dove into the root causes of her illness, and returned to medicine as a very different doctor. Currently, she has a private practice in integrative and functional medicine, and serves on the faculty of the Healer’s Art program at the University of California San Francisco School of Medicine. She lives in Berkeley, CA, with her husband and their two daughters.