BMI and Cortical Amyloid Burden in Elderly

Why is a lower BMI linked to greater dementia risks in the elderly? Dr. Bobby Lazzara discusses a recent analysis using the Harvard Aging Brain Study.

In this Medical News Minute, developed exclusively for Neurology Times, Dr. Bobby Lazzara discusses a study of BMI and cortical amyloid burden in clinically normal elderly at risk for Alzheimer disease dementia. Assessments of the community-dwelling participants (aged 62 to 90 years) included medical history, physical exam, apolipoprotein E ɛ4 genotyping, and Pittsburgh compound B (PiB) positron emission tomography (PET) amyloid imaging.

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