A new study, the first to examine vitamin D levels in brain tissue, may help scientists further understand dementia and its causes. Worldwide, an estimated 55 million people live with dementia, a number that’s expected to rise as the global population ages. In the United States alone, there are a
According to a new study from Tufts University, adults who suffered from varying rates of cognitive decline had better cognitive function with higher levels of vitamin D in their brains. People get vitamin D from sun exposure, foods , and supplements.
Scientists at Tufts University have completed the first study examining levels of vitamin D in brain tissue, specifically in adults who suffered from varying rates of cognitive decline. They discovered that members of this group with higher levels of vitamin D in their brains had better cognitive function.
Booth, Shea, and their team examined samples of brain tissue from 209 participants in the Rush Memory and Aging Project, a long-term study of Alzheimer’s disease that began in 1997. Researchers at Rush University assessed the cognitive function of the participants, older people with no signs of cognitive impairment, as they aged, and analyzed irregularities in their brain tissue after death.
“Dementia is multifactorial, and lots of the pathological mechanisms underlying it have not been well characterized,” Shea says. “Vitamin D could be related to outcomes that we didn’t look at yet, but plan to study in the future.”
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