This genetic burden suggests that the population was shaped by what geneticists call a founder event or a bottleneck. In other words, a small number of foremothers and forefathers contributed much of ...

About two-thirds of Jews today—or roughly ten million people—are Ashkenazi, referring to a recent origin from Eastern and Central Europe. They reside mostly in the United States and Israel. Ashkenazi ...

Alzheimer's is a specific type of dementia. A groundbreaking study by Israeli scientists has identified a significant ethnic disparity in the prevalence of early-onset Alzheimer’s disease, show that ...