Scientists May Have Found a Genomic Off Switch for Down Syndrome

One in every thousand or so babies born today will suffer from Down Syndrome, a genetic disorder caused by the presence of a third copy of chromosome 21 that results in learning disabilities, a heightened risk of bowel and blood diseases, and a severely heightened risk of dementia later in life. But a radical new… » 7/18/13 12:01pm 7/18/13 12:01pm