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As reported at this year's Alzheimer's Association International Conference, scientists are nearing a better, more efficient way to test for Alzheimer's. Currently, there is no viable way to reach an Alzheimer's diagnosis. Clinical symptoms can point to a strong possibility of Alzheimer's, but there are other dementias and other causes of poor cognitive functioning. Many people have been told, mistakenly, that they have Alzheimer's. Aside from clinical testing, a costly brain scan can reveal brain plaque, but only a post-mortem examination can determine if this plaque is, in fact, Alzheimer's. An eye test that takes a picture of blood vessels in the retina has been a promising new test that is simple and inexpensive to perform. Even more promising, a new blood testing protocol measures the same beta amyloid protein that's present in the brain. Early clinical trials identified 83 percent of people with these high amyloid levels, as well as ruling out Alzheimer's in 85 percent of participants. While far from a causal link, this is a marked improvement from earlier Alzheimer's testing. Continue to read: examiner.com
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