`` Our brains can be made stronger through exercise , '' Andrew Carle , assistant professor in the department of health administration and policy at George Mason University , told CNN late last year . ` Number of people with Alzheimer 's estimated to nearly double every 20 years . Report : http://www.cdc.gov/mmwr/preview/mmwrhtml/rr0404a1.htm Studies show mental stimulation and exercise can help delay onset of dementia .
Number of people with Alzheimer 's estimated to nearly double every 20 years . Report : http://www.cdc.gov/mmwr/preview/mmwrhtml/rr0404a1.htm Studies show mental stimulation and exercise can help delay onset of dementia .