Alzheimer's risk linked to hayfever and sleeping pills

Certain over-the-counter anticholinergic drugs raise risk of developing dementia, finds new study

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Certain types of over-the-counter hayfever and sleeping pills can raise the risk of developing Alzheimer's disease, a new study has found.

Nytol, Benadryl and Piriton are among those highlighted in a warning from researchers at the University of Washington. The antidepressant Doxepin and bladder control treatment Ditropan were also listed.

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