The time you dedicate to solving crosswords, playing chess, or reading a book may seem like a quiet and innocent pastime, but a large-scale study indicates that such mental activities may have a dramatic effect on brain health in older age.
The time you dedicate to solving crosswords, playing chess, or reading a book may seem like a quiet and innocent pastime, but a large-scale study indicates that such mental activities may have a dramatic effect on brain health in older age.