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Study Identifies 17 Shared, Modifiable Risk Factors for Stroke, Dementia, and Late-Life Depression - Video
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Overview
In a new extensive systematic review, Mass General Brigham researchers identified 17 modifiable risk factors that are shared by stroke, dementia, and late-life depression. Modifying any one of them can reduce the risk of all three conditions. The findings are published in the Journal of Neurology, Neurosurgery, and Psychiatry.
The researchers systematically searched the scientific literature for previously published meta-analyses of risk factors associated with stroke, dementia, and late-life depression. Then, they combined these data to identify modifiable risk factors (i.e., those that can be altered through behavioral change) shared amongst at least two out of the three diseases. They also estimated the relative impact of each risk factor on measures of quality of life and early death.
Altogether, the researchers identified 17 risk factors shared by at least two of the diseases, including blood pressure, kidney disease, fasting plasma glucose, total cholesterol, alcohol use, diet, hearing loss, pain, physical activity, purpose in life, sleep, smoking, social engagement, and stress. Of these, high blood pressure and severe kidney disease had the biggest impact on the incidence and burden of stroke, dementia, and late-life depression. In contrast, physical activity and engagement in leisure activities with a cognitive aspect (e.g., puzzles) were associated with a lower risk of disease, though the researchers suspect that these associations may be symptomatic rather than causal, since individuals with brain disease may be less capable of engaging in physical and cognitive leisure activities.
"Dementia, stroke, and late-life depression are connected and intertwined, so if you develop one of them, there's a substantial chance you may develop another one in the future," said first author Jasper Senff, MD, post-doctoral fellow at the Singh Lab at the Brain Care Labs at MGH. "And because they share these overlapping risk factors, preventive efforts could lead to a reduction in the incidence of more than one of these diseases, which provides an opportunity to simultaneously reduce the burden of age-related brain diseases."
Reference: https://www.massgeneralbrigham.org/en/about/newsroom/press-releases/modifiable-risk-factors-for-stroke-dementia-depression
Speakers
Dr. Bhumika Maikhuri
BDS, MDS