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Dementia

Mild cognitive impairment—not always what it seems

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Mild cognitive impairment is widely viewed as an early stage of dementia but, as a new study highlights, some people never progress, and might even revert to normal cognition. Poor predictive validity of prodromal conditions has clear implications for the principle of 'do no harm', as overtreatment becomes a possibility.

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Acknowledgements

The authors thank Blossom Stephan for substantial and constructive comments.

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Correspondence to Edo Richard.

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Richard, E., Brayne, C. Mild cognitive impairment—not always what it seems. Nat Rev Neurol 10, 130–131 (2014). https://doi.org/10.1038/nrneurol.2014.23

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