Researchers: New Blood Tests Help Doctors Identify Alzheimer’s Disease — VOA Learning English
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New blood tests could help to identify, or diagnose, Alzheimer’s disease faster and with more accuracy, researchers reported recently. However, some of the tests for the brain-wasting disease appear to work better than others.
New tests, new drugs
Doctors can confirm Alzheimer’s in a patient if they find one of the disease’s main signs: the development, or buildup, of a sticky protein called beta-amyloid. Currently, doctors use brain imaging or a special test known as a spinal tap to look for beta-amyloid buildup. Brain imaging is hard to get and spinal taps are painful.
Instead, many patients are diagnosed based on their behavior and cognitive exams.
Now, labs have begun offering blood tests…
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