A blood test for more than 50 types of cancer could help speed up diagnosis according to a new study. Results of a trial in north America show that the test was able to identify a wide range of cancers, of which three quarters don't have any form of screening programme. More than half the cancers were detected at an early stage, where they are easier to treat and potentially curable. The Galleri test, made by American pharmaceutical firm Grail, can detect fragments of cancerous DNA that have

Tag-uri: DNA