'Fossil record' in stored blood samples lets scientists trace leukemia back decades before diagnosis
Scientists have reconstructed how acute myeloid leukemia (AML) develops over the decades before diagnosis, showing that in two-thirds of cases the first cancer-driving mutation had been acquired before the age of 20—more than 50 years before diagnosis.

<p>Scientists have reconstructed how acute myeloid leukemia (AML) develops over the decades before diagnosis, showing that in two-thirds of cases the first cancer-driving mutation had been acquired before the age of 20—more than 50 years before diagnosis.</p>