NHS to pilot 'potentially revolutionary' cancer blood test

The NHS is to trial a ‘potentially revolutionary' blood test that could discover a range of different cancer types is to be trialled by the NHS, the national health service's chief executive Sir Simon Stevens has announced. Known as the Galleri blood test, it has been developed by the company GRAIL to spot early signs of cancer by seeking out abnormal DNA shed from cells into the blood. DNA from cancer cells often have differences in the chemical tags compared to DNA from healthy cells. The...