Healthcare professionals have been warned that the usage of regular over-the-counter treatments can be linked to dementia.
Drugs that have an anticholinergic effect, such as hay fever and insomnia treatments may cause an increase in the chances of dementia if used over a prolonged period of time.
A US study in JAMA Internal Medicine Journal looked at the usage of the drug in the elderly and found the increased risk appeared when people took the drugs every day for three years or more.
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