Today's interview on Redefining Medicine features Dr. Lindsey Berkson, a thought leader and scholar in hormones, nutrition, and digestive health. With a career that spans almost four decades of research, clinical practice, teaching and writing, Dr. Berkson has been both patient and practitioner. Combining a spiritual background that values the connection between mind, body, and spirit, Dr. Berkson is a pioneer of Functional Medicine, and a passionate advocate of integrative healthcare.