Acute myeloid leukemia is a type of cancer of the blood and bone marrow that affects immature blood cell growth.It is fatal within five years for 90% of seniors over 65 years of age. Adding University of Waterloo scientists have found that the nutritious fruit may hold the key to beating deadly leukemia. They have discovered a lipid in avocados that combats AML by targeting the root of the disease - leukemia stem cells. The research is published in the Cancer Research.