Video Games for the Elderly

Physical exercise, fresh fruits and vegetables and social activities have long been prescribed for people 65 and older, a population that will have doubled between the years 2000 and 2030. Now a fourth activity has been added to defend the brain against age and disease: exercise for the brain itself. New research suggests that the human brain can sprout new cells and rewire existing ones late in life. Professors Mike Merzenich of the University of California at San Francisco and Andrew Carle of George Mason University explain how entrepreneurs are marketing brain exercises to the baby boom generation.