Reminiscence: Why do “tremendous seniors” have higher recollections than folks 30 years youthful than them?

Michelle Roberts Health Editor, BBC

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A select group of people between the ages of 80 and 90 maintain exceptional cognitive powers.

Why do some older people have higher cognitive abilities than people 30 years younger? A group of American scientists believe they are on the verge of answering this great medical question.

According to the scientists, the octogenarians they study, also called ‘super-old’, may have larger nerve cells in the parts of the brain responsible for memory.

And the reason is that these people may have been born with these cells, or their neurons may or may not have grown in size over the years.

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