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Having two or more chronic conditions, such as hypertension, diabetes, coronary heart disease, depression, and chronic lung disease that occurred in middle age, sets the stage for dementia. This is what was reiterated by British researchers, authors of a large study on over 10 thousand adults and published in The Bmj. Several scientific institutes participated in the research: National Institute on Aging, National Institutes of Health (NIH), UK Medical Research Council, Academy of Medical Sciences. AND