AB Blood Type May Increase Dementia Risk: Study

by Vishnuprasad on  September 11, 2014 at 9:40 PM Research News   - G J E 4
A new study says that people with the least common blood type, AB, are more likely to develop thinking and memory issues that can lead to dementia in later years than people with other blood types.
AB Blood Type May Increase Dementia Risk: Study
AB Blood Type May Increase Dementia Risk: Study

Study author Mary Cushman from the University of Vermont, College of Medicine in Burlington said, "Our study looks at blood type and risk of cognitive impairment." Those with AB blood were 82 percent more likely to develop memory issues than others.

"Blood type is also related to other vascular conditions like stroke, so the findings highlight the connections between vascular issues and brain health," Cushman added.

The research was part of a larger study (Reasons for Geographic And Racial Differences in Stroke) of more than 30,000 people followed for an average of 3.4 years. People with AB blood type made up 6 percent of the group who developed cognitive impairment, which is higher than the 4 percent found in the population.

The scientists also looked at levels of factor VIII, a protein that helps blood to clot. High levels of factor VIII are linked to higher risk of cognitive impairment and dementia. People with AB blood had a higher average level of factor VIII than people with other blood types.

The study appeared in the journal Neurology.

Source: Medindia

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