Behavioral Exercise Training to Reduce Cardiovascular Disease Risk

Inclusion Criteria: * Be diagnosed with stage II/III/IV prostate cancer * Be currently undergoing treatment with ADT (intermittent or prolonged) * Have completed local curative-intent treatment, including prostatectomy or definitive radiation; * Be \>40 years of age up to 85; * Be willing to sign an informed consent with HIPAA authorization form; * Not have any hearing or sight impairments that result in the inability to use the telephone or hear normal conversation; * Must be able to join an intervention group by personal computer, smartphone or telephone call and should agree to recording of an interview; * Be without any serious medical condition that precludes safe participation in an exercise program; * Speak English Exclusion Criteria: * Be unable to undergo MRI (i.e., ferromagnetic materials in body, inability to lie flat, claustrophobia); * Have contraindications to exercise testing; * Have pre-existing overt cardiovascular disease/heart failure; * Active illness/infection; * Hemoglobin \< 7.0 grams/dL * Platelet count \< 10 x 109/L