NEW YORK (GenomeWeb) – Researchers are beginning to tie genetic variants associated with Alzheimer's disease and Parkinson's disease risk to symptoms of the disease or its progression.

Genome-wide association studies have linked dozens of SNPs to neurodegenerative diseases like Alzheimer's disease and Parkinson's disease. Two studies appearing in JAMA Neurology today have begun to tease out how these genetic risk variants contribute to disease.

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