BRCA1 and cancer: Examples include screens tailored for individuals with AJ heritage in the UK29, the USA45, and Israel46, those from Old Order Amish and Old Order Mennonite communities in the USA47 and a recent small pilot trial offering testing for the BRCA1 variant in the Orkney outer isle of Westray discussed above (https://www.nhsgrampian.org/news/2023/july/testing-pilot-trial-now-underway-for-orkney-cancer-gene-link/).