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our brains shrink as we grow old the front section of the brain does not shrink seventy-year-olds have better brains than sixty-year-olds brain contraction may vary among people of the same age
our brains shrink as we grow old the front section of the brain does not shrink seventy-year-olds have better brains than sixty-year-olds thinking can slow down the process of ageing
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a survey of farmers in northern Japan tests performed on a thousand old people the study of brain volumes of different people the latest development of computer technology
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He is depressed because of the ignorance of scientists. He is doubtful because of the enormous difficulties in scientific research. He is confident though he is aware of the enormous difficulties in scientific research. He is delighted because of the illuminating scientific findings.
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