<prompt> Answer this question truthfullyWhat factors increase the risk of developing Myelofibrosis?  <response>: <reason> Common risk factors in the development of myelofibrosis include:Age: Old age seem to be an important risk factor with individuals being in their 50s and 60s. Other myeloproliferative disorder such as: Polycythemia vera PV Essential thrombocythemia ET Malignancies: Primary malignancies of different body parts and systems can also act as a significant risk factor for myelofibrosis development. Radiation exposure: Individuals exposed to high levels of radiation e.g. Thorotrast have an increased risk of developing myelofibrosis. Chemical exposure such as: Benzene Nitrosourea 