Myelofibrosis is a type of chronic leukemia where bone marrow is slowly replaced with scar tissue. Depending on the severity of the scarring, there are consequences that can occur, such as anemia, weakness, and fatigue. But researchers are looking into a number of different therapies that may help people live longer with myelofibrosis. In this program we'll see how the condition is diagnosed; meet patients who are living with myelofibrosis and see what scientists think can be done to help manage the disease now and in the future.