“Use it or lose it”… has become an easy shorthand for reminding people to stay mentally sharp in later life through activities like learning a new skill, sport or language. Just think of the sudoku craze, or the well-publicized finding that London taxi drivers had larger-than-usual brain memory centers from mentally calculating the swiftest routes through the city rather than relying on GPS.    […]

Source: PBS film celebrates UC Berkeley prof’s ‘Love Affair With the Brain’