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Since doctors often prescribe anticholinergics for Parkinson's, I thought
this was interesting:

SOURCE: British Medical Journal  For full article see

http://www.webmd.com/content/pages/11/1833_51021.htm



Anticholinergic Drugs* Linked to Mental Impairment in Elderly People

Non-degenerative mild cognitive impairment in elderly people and use of
anticholinergic drugs: longitudinal cohort study BMJ Online First



LONDON, UK -- February 1, 2006 -- Anticholinergic drugs may lead to mild
cognitive (mental) impairment in elderly people, finds a study published
online by the British Medical Journal today.



These drugs are commonly used in elderly patients to treat illnesses such as
irritable bowel syndrome, urinary incontinence, and Parkinson's disease, so
it is important that doctors are aware of this effect, say the researchers.
. .



About 10% of the people in the sample took anticholinergic drugs over an
extended period. Drug users showed poorer cognitive performance compared
with non-users and 80% met the criteria for mild cognitive impairment
compared with 35% of non-users. However, drug users were not at increased
risk of developing dementia . . .



They suggest doctors assess current use of anticholinergic drugs in elderly
people with mild cognitive impairment before considering treatment for
dementia.



*Anticholinergic medications - examples:  Cogentin, Artane, Benadryl




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