Resumen de Physical Activity and Dementia: The Need for Prevention Trials

Deborah E. Bames, Rachel A. Whitmer, Kristine Yaffe

• Dementia is a common and debilitating disease that will increase dramatically for the next 50 years unless a prevention or treatment is identified. This review summarizes the evidence that physical activity is associated with a reduced risk of dementia in older adults and recommends that prevention trials be performed to determine whether this association is causal