What causes headaches Dan Kwartler

Download a free audiobook and support TEDEd s nonprofit mission: Check out Oliver Sacks s The Man Who Mistook His Wife for a Hat : View full lesson: In ancient Greece, the bestknown remedy for a longstanding headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today dont resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we know (and don t know) about headaches. Lesson by Dan Kwartler, animation by Sharon Colman. Thank you so much to our patrons for your support Without you this video would not be possible. Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Seung Hoon Shin, John Saveland, Nicolle FieldsendRoxborough, Venkat Venkatakrishnan, Sandy Nasser, CG Nobles, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Ele