REPORT FROM THE AMERICAN ACADEMY OF NEUROLOGY (AAN) ANNUAL MEETING, NEW ORLEANS LA, APRIL 21-28, 2012 – The AAN annual meeting coincided with the publication of new guidelines on preventive treatment of migraine by the AAN and the American Headache Society (Silberstein et al. Neurology 2012;78:1337-1345; free full text at www.neurology.org/content/78/17/1337.full.pdf+html).