AN EYE TEST FOR ALZHEIMER'S

All Lee Goldstein wanted to do was finish his postdoctoral research project at a Harvard laboratory so he could get on with his career in psychiatry. But while placing a sensor in the skull of a lab mouse, he noticed something odd: The rodent's eyes were milky and clouded. The mouse had been bred to show the symptoms of Alzheimer's disease, but was too young to have age-related cataracts.
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