100-year-old sisters share 4 tips for staying mentally sharp as you age—and they don’t say crossword puzzles
100-year-old sisters share 4 tips for staying mentally sharp as you age—and they don’t say crossword puzzles 100-year-old sisters share 4 tips for staying mentally sharp as you age—and they don’t say crossword puzzles Centenarian Ruth Sweedler has impressive recall…