What’s the best way to stay mentally sharp well into old age? According to a recent study by experts at Edinburgh University, it’s not brain games. Turns out exercise may be the most effective way to keep elderly minds as big and functional as possible. More so than brain teasers and social interaction, exercise was associated with the biggest boost in brainpower.

What can you do to be around for your grandkids?

The study tested 638 Scottish 70-year-olds by having them fill out questionnaires about their exercise habits, engagement with intellectual activities (like crossword puzzles) and socialization. Three years later, when the participants were More >