Show description/summary:1) Epidemiology and Prognosis of Mild Traumatic Brain Injury in Returning Soldiers: A Cohort Study2) What's Trending: Alemtuzumab treatment and multiple sclerosisThis podcast begins and closes with Dr. Robert Gross, Editor-in-Chief, briefly discussing highlighted articles from the April 18, 2017 issue of Neurology. In the first segment, Dr. Michael Jaffee talks with Dr. Karen Schwab about her paper on mild traumatic brain injury in returning soldiers. For our “What's Trending” feature of the week, Dr. Mark Keegan talks with Dr. Gavin Giovannoni about his paper on alemtuzumab treatment and multiple sclerosis. For more information on traumatic brain injury services for active duty military and veterans, please visit the Defense and Veterans Brain Injury Center website at http://dvbic.dcoe.mil. Disclosures can be found at Neurology.org.DISCLOSURES: Dr. Jaffee serves on the scientific advisory board for Neurohabitation, Inc., and has received research support from the Florida State Department of Elderly Affairs.Dr. Schwab receives research support from Congressionally Directed Medical Research Programs (Grant #W81XWH-08-2-0105).Dr. Keegan serves on the editorial board for Multiple Sclerosis and Related Disorders; served as eMedicine Chief Editor from 2009 to 2015; receives publishing royalties for Common Pitfalls in Multiple Sclerosis and CNS Demyelinating Diseases: Case-Based Learning (Cambridge University Press 2016); consults for Novartis, Bristol Meyers Squibb, and Bionest; and received research support from Biogen for the ARISE study.Dr. Giovannoni consulted and served on scientific advisory boards for Biogen-Idec, Fiveprime, Genzyme, GW Pharma, Ironwood, Merck-Serono, Novartis, Roche, Sanofi-Aventis, Synthon BV, Teva, Vertex Pharmaceuticals, Abbvie, and Canbex; receives speaker honoraria from Biogen-Idec, Genzyme, GW Pharma, Merck-Serono, Novartis, Roche, and Teva Pharmaceuticals; serves as an editor for Multiple Sclerosis and Related Disorders; served on speaker's bureaus for Novartis and Teva; and received research support from Genzyme and Merck.