In several studies, Miia Kivipelto physician and professor at Karoliska institutet, has been able to see that 30-40% of Alzheimer's disease is linked to lifestyle factors and other factors that can be influenced. Now she’s looking to see if lifestyle changes, such as physical activity, also can help those who have already contracted Alzheimer's. Meet Wallenberg Clinical Scholar Miia Kivipelto and her patient Roman Szydlowski.