RecruitingBehavioural interventionI Can Move With Purpose Now! A Pilot Lifestyle Intervention Study in Myeloproliferative Neoplasm PatientsThe goal of this study is to see if patients with myeloproliferative disorders are able to successfully complete the Cardiac Lifestyle Program(CLP). The goal of the CLP is to teach patients how to become more active and eat healthier foods. The name of the intervention used in this research study is: Cardiac Lifestyle Program (a 12-week, tailored nutrition and physical activity program)