‘Holy grail’ trialled by NHS could save thousands of lives by detecting cancer before symptoms show Posted on August 22, 2022 By Charlielikes EXCLUSIVE: The National Health Service is conducting a world-first trial of the test, which aims to detect more than 50 types of cancer before symptoms show. news Tags:‘save, ‘could, before, by, cancer, detecting, grail, holy, lives, news, nhs, of, show, symptoms, thousands, topnews, trending, trialled