Researchers analyzed data on cognitive function in 7,217 adults over the age of 65.
According to the study:
• Those with lower cognitive test scores before a stroke had a 61 percent higher chance of a stroke.
• After stroke, cognitive function declined almost twice as fast compared to those before stroke.
• Stroke coupled with cognitive decline increased the risk of death.
• Declining cognitive function before stroke increased the risk of stroke five-fold in African-Americans compared to European-Americans.
Researchers also found a strong link between low cognitive function and death. Participants with previous strokes had lower cognitive function and 78 percent died during follow-ups.
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