21 million. That's the number of genetic variations in the human genome that researchers are sifting to identify patterns predisposing people to Alzheimer's disease. It's a huge haystack, and ...

Two single-nucleotide polymorphisms (SNPs) associated with an increased susceptibility to stroke have been identified on chromosome 12 (locus p13). These SNPs are located in close proximity to NINJ2, ...

A long-running study has found that dementia rates fell steadily over the past four decades, most likely due to declining rates of heart disease. Although the Framingham Heart Study involved just ...