Researchers developed a test to check the retina for signs of Alzheimer 's . We do n't know yet if the test will provide to be a good predictor of Alzheimer 's , but officials at the Chicago-based Alzheimer 's Association say the work is promising . Trial is looking at whether this test can identify patients before symptoms begin . Comment:
Researchers developed a test to check the retina for signs of Alzheimer 's . Trial is looking at whether this test can identify patients before symptoms begin . Comment: