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Peer reviewed
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NOURHASHEMI, F; DESCHAMPS, V; LARRIEU, S; LETENNEUR, L; DARTIGUES, J.-F; BARBERGER-GATEAU, P
Neurology, 01/2003, Volume: 60, Issue: 1Journal Article
To study the relationship between body mass index (BMI) and risk of dementia, a cohort of 3,646 individuals aged > or =65 years living at home and without cognitive disorders at baseline were followed up for 8 years (the PAQUID Personnes Agées Quid Study). Subjects with a BMI < 21 had an increased risk of developing dementia as compared with subjects whose BMI was between 23 and 26 (odds ratio = 1.48, 95% CI = 1.08 to 2.04). However, when individuals who developed dementia early during the follow-up were excluded from the analysis, this relationship was no longer significant. A low BMI does not in itself seem to be a risk factor for dementia.
