Edited by Olivia Begasse de Dhaem, MD, FAHS, Assistant Professor of Neurology, Department of Neurology, University of Connecticut, Hartford HealthCare, Milford, CT, USA; and Carolyn Bernstein, MD, FAHS, Assistant Professor of Neurology, Lavine Family Distinguished Chair, Neurology, Harvard Medical School, Boston, MA, USA Olivia Begasse de Dhaem, MD, FAHS, is a neurologist specializing in Headache Medicine at Hartford HealthCare in Westport, CT. She is an Assistant Professor of Neurology at the University of Connecticut. She attended medical school and Neurology residency at the Columbia University's Vagelos College of Physicians and Surgeons and Columbia University New York Presbyterian Hospital. She did her headache fellowship at Harvard University. Carolyn Bernstein, MD, FAHS, is a neurologist specializing in Headache Medicine. A graduate of Boston University School of Medicine, she interned at Boston City Hospital. She did her postgraduate training at Boston City Hospital and New England Medical Center, and is board certified in neurology and headache medicine. Dr. Bernstein has won Harvard Medical School awards for teaching and for humanism in medicine. She was also awarded the National Headache Foundation's Healthcare Provider of the Year award in 2008. She is the author of The Migraine Brain: Your Breakthrough Guide to Fewer Headaches, and Better Health (2008). She has also edited and co-written two textbooks: Pain in Women (2012) and Medical Problems During Pregnancy (2017).