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"The idea that cognitive and physical function are connected is something that has just come out in the last few years. It is one of the new horizons in health care and prevention," says neurologist and aging expert Dr. Joe Verghese of the Albert Einstein College of Medicine in New York City, who published an article in the New England Journal of Medicine in 2002 showing that changes in walking patterns could be an early sign of dementia.
While further research needs to be done to establish the exact impact of social activity and exercise on specific age-related declines it's likely that a reduction in social activity may simply be a symptom of physical decline, since people may naturally withdraw from social engagement as they lose motor skills most researchers would agree that it is not unreasonable to encourage seniors to get out there more. Only 10% of people over 65 get the recommended amount of exercise (at least 2.5 to 5 hours a week), and given that seniors already tend to be more socially isolated than younger adults, it's difficult to motivate them to become more active. "If you are alone, you are less likely to follow recommendations," notes Verghese. It might help, though, if you visit with Grandma more often and let her know that a regular pastime may just help her stay fitter and sharper longer

A. 어휘
cognitive 認知的(인지적). horizon 지평선, 수평선.
health care 건강관리. prevention 예방. neurologist 신경학자.
aging expert 老化(노화) 전문가. publish 발표하다. article 논문, 기사.
Journal of Medicine 의학 專門誌(전문지). dementia 채매.
exact 정확한. impact 영향, 충격. age-related declines 나이와 관련된 신체 쇠약.
reduction 감소. symptom 徵候(징후), 症狀(증상).
withdraw 물러나다, 철수하다. engagement 참여. motor 운동성.
senior 연장자. recommended 권장된. given 가정된.
socially isolated 사회적으로 고립된. motivate 誘發(유발)하다, 자극하다.
recommendation 권유, 추천. visit with Grandma 할머니 집에 머무르다.
regular 규칙적인. pastime 운동, 여가활동.
fitter and sharper 몸이 더 건강하고 정신이 더 맑은.