Scientists say neurodegenerative diseases like Alzheimer’s and Parkinson’s may be linked to defective brain cells disposing toxic proteins that make neighboring cells sick. The study used roundworms engineered to produce human disease proteins associated with Huntington’s disease and Alzheimer’s.

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Scientists say neurodegenerative diseases like Alzheimer’s and Parkinson’s may be linked to defective brain cells disposing toxic proteins that make neighboring cells sick. The study used roundworms engineered to produce human disease proteins associated with Huntington’s disease and Alzheimer’s.