“Exercise May be Associated with Reduced Disease Activity in Children with Multiple Sclerosis” in www.aan.com/PressRoom/Home/PressRelease/1401?utmsource=Informz;utmmedium=Email;utmcampaign=AANe-news+August+26+Edition Original article:;http://www.neurology.org/content/early/2015/08/12/WNL.0000000000001939: Lower physical activity is associated with higher disease burden in pediatric multiple sclerosis ;