Low Vitamin D Levels May Increases Alzheimer’s Risk.
Older adults with low levels of vitamin D in their blood may have double the risk of developing Alzheimer’s disease compared to seniors with sufficient vitamin D levels. In the study, the risk for dementia and Alzheimer’s significantly increased when vitamin D levels fell below 20 ng/ml. Experts believe that vitamin D may clear plaques in the brain linked with the development of dementia.
Neurology, August 2014