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Common over-the-counter medicines are linked to cognitive impairment in elderly people, shows study

BMJ 2016; 353 doi: https://doi.org/10.1136/bmj.i2220 (Published 19 April 2016) Cite this as: BMJ 2016;353:i2220
  1. Susan Mayor
  1. London

Anticholinergic drugs found in many commonly used over-the-counter medicines, such as night time cold remedies, are associated with brain scan changes linked to cognitive impairment in older people, a study in JAMA Neurology has shown.1

Previous research had found that anticholinergic drugs were associated with an increased risk of cognitive impairment and dementia. Researchers investigated the potential mechanism of this link by analysing brain scans in 451 …

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