A new study has found that people who cannot read or write are three times more likely to develop dementia than those who can. We take a closer look at the importance of maintaining cognitive function in preventing dementia.

Produced by: Lim Sue Ann

Presented by: Sharmilla Ganesan, Lim Sue Ann, Juliet Jacobs

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Tags:  The Bigger Picture,  The Daily Digest,  illiteracy,  dementia,  Columbia University,  cognitive function,  reading,  writing,  Healthcare, Pharma, Biotech,  Personal Development,  Health