A new study found dementia rates in the U.S. are falling.
The study found that dementia rates in Americans 65 and older fell by 24 percent between 2000 and 2012.
The findings come despite an increase in diabetes cases among older Americans. The study found that diabetes increases dementia risk by 39 percent, but it also found that overweight and obese people have a 30 percent lower risk of dementia than those of a normal weight.
Despite the drop in dementia rates, experts say the rising numbers of older Americans may halt the trend unless better ways are found to keep brains healthy.
The study was led by University of Michigan researchers and was published in JAMA Internal Medicine. The National Institute on Aging paid for the research.
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