Anthony Feinstein (University of Toronto and Sunnybrook Health Sciences Centre, Toronto, Canada) discusses CogEx, a randomised trial of cognitive rehabilitation and aerobic exercise for cognitive impairment in people with progressive multiple sclerosis. The Article is published in the October issue of The Lancet Neurology.Continue this conversation on social!Follow us today at...https://twitter.com/thelancethttps://instagram.com/thelancetgrouphttps://facebook.com/thelancetmedicaljournalhttps://linkedIn.com/company/the-lancethttps://youtube.com/thelancettv