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COLUMBUS, Ohio - Though obesity in midlife is linked to an increased risk for Alzheimer s disease, new research suggests that a high body mass index later in life doesn t necessarily translate to greater chances of developing the brain disease.
In the study, researchers compared data from two groups of people who had been diagnosed with mild cognitive impairment - half whose disease progressed to Alzheimer s in 24 months and half whose condition did not worsen.
The researchers zeroed in on two risk factors: body mass index (BMI) and a cluster of genetic variants associated with higher risk for Alzheimer s disease.