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Diabetes in midlife increases cognitive decline 20 years later, study finds

BMJ 2014; 349 doi: https://doi.org/10.1136/bmj.g7386 (Published 02 December 2014) Cite this as: BMJ 2014;349:g7386
  1. Susan Mayor
  1. 1London

People who have diabetes diagnosed in midlife have a higher risk of cognitive decline over the following 20 years than people with normal glucose levels, a prospective US study has shown.

Type 2 diabetes has previously been associated with dementia risk, but until now evidence of a link to cognitive decline has been limited.

Researchers followed up 13 351 adults who were aged 48 to 67 at the start of the study in 1990-92.1 The participants all lived in four US …

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