The book also states: “Just as exercise keeps people vigorous into their seventies and eighties, researchers are demonstrating that mental workouts can do the same for the aging brain.
Veel öeldakse selles raamatus: „Teadlased on tõestanud, et nii nagu 70 – 80 - aastasi hoiab tarmukana kehaline liikumine, hoiab vananevat aju erksana vaimne treening.