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High Blood Pressure in Midlife Linked With Increase Risk of Dementia


According to a new study, having high blood pressure in midlife
that continues into late life may increase the risk of dementia by up to 49%.





For their study, researchers from Johns Hopkins University looked
at data from 4,761 participants in the Atherosclerosis Risk in Communities
Study. Over the course of 25 years, participants’ blood pressure was measured 6
times. They underwent detailed neurocognitive evaluation at the end of the
study period.





Participants with high blood pressure during midlife that
persisted into later life were found to have a 49% increased risk of dementia.
Participants with high blood pressure in midlife and low blood pressure in later
life were found to have a 62% increased risk of dementia. High blood pressure
was defined as anything above 140/90 and low blood pressure was defined as
anything below 90/60.





The study was published online ahead of print on August 13, 2019
in JAMA.


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