1. Featured Article: Practice guideline update summary: Mild cognitive impairment2. Lesson of the Week: Migraine and hormonesThis Neurology® Podcast begins and closes with Dr. Robert Gross, Editor-in-Chief, briefly discussing highlighted articles from the January 16, 2018, print issue of Neurology. In the first segment, Dr. Jeff Burns talks with Dr. Ronald Petersen about the updated 2001 AAN guideline on prevalence, prognosis, and treatment of MCI. For the Lesson of the Week, Dr. Teshamae Monteith speaks with Dr. Jelena Pavlovic about the association between hormones and migraine. DISCLOSURES: Dr. Burns has served on the DSMB for NIH-funded trials (non-profit entities); serves on the editorial board for Journal of Alzheimer's Disease; has consulted for Grifols, USA; has served on Eli Lilly Amyvid Speaker's Bureau; and has received research support from Eli Lilly, Avid Radiopharmaceuticals, Toyama Chemical Company, Merck, Biogen, AbbVie, Novartis, vTv Therapeutics, Janssen, and NIH (R01AG058557, R01AG053312, R01AG034614, R01AG03367, R01AG043962, P30AG035982, U10NS077356, UL1TR000001).Dr. Petersen receives publishing royalties from Mild Cognitive Impairment (Oxford University Press, 2003); has consulted for Roche Incorporated, Merck, Genentech, and Biogen; and receives research support from National Institute on Aging (U01-AG006786, P50-AG016574, U01-AG024904, and U01-AG016976). Dr. Monteith serves as an editorial advisory board member for Neurology Now and receives research support from the NIH.Dr. Pavlovic has received consulting honoraria and travel support from Allergan, Inc. and travel/conference registration support from The American Headache Society.