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Researchers use brain scans to hunt for Alzheimer’s cause

Now researchers are adding tau brain scans to an ambitious study that's testing if an experimental drug might help healthy but at-risk people stave off Alzheimer's. Whether that medication works or not, it's the first drug study where scientists can track how both of Alzheimer's signature markers begin building up in older adults before memory ever slips.

Read the article on PBS NewsHour

Dr. Sears Comments:

Dr. Barry Sears

Sometimes associations take on a life of their own.  Just because tau tangles are associated with Alzheimer’s disease doesn’t mean they cause Alzheimer’s.  The same is true for cholesterol and heart disease.  Both associations are most likely to be consequences of increased inflammation that is the true underlying cause of both heart disease and Alzheimer’s.


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