Some 2.3 million U.S. adults over 65—more than 4%—have a diagnosis of dementia. But even without a diagnosis ... In addition to these lifestyle changes, many people are turning to brain-training games ...

Brain-training games remain unproven, but research shows what sorts of activities do benefit cognitive functioning.

New research published in the Journal of Cognitive Enhancement has found that older adults who regularly participated in mentally challenging activities ... impairment often seen as a precursor to ...