A Feasibility Study Followed By A Randomized Phase II Study Of Yoga For Radiation Therapy Side Effects In Prostate Cancer

Inclusion Criteria: Patients * Prostate cancer patients undergoing active radiation therapy (external beam radiation with photons and/ or protons). Prior or concurrent androgen deprivation therapy is permitted. * Patients of age \>18 years, and all races will be included in the study. * Patients must have an ECOG Performance Score ≤ 1 * All patients must sign an informed consent form Caregivers * Subject is age \>18 years * Subject is English-speaking * Subject must sign an informed consent form Exclusion Criteria Patients * Patients with medical restrictions that may interfere with or prevent them from taking part in the yoga interventions per their physician orders as evaluated by ECOG Performance Status score. * Active, regular cigarette smokers, such that smoking may interfere with relaxation and breathing modalities of the yoga interventions. (Smokers that have been smoke-free for 6 months may be included) * Patients who currently practice or have recently practiced yoga (taken a yoga class on a regular basis in the last 6 months). * Patients who are undergoing chemotherapy for any reason * Patients with evidence of metastatic disease Caregivers * Subjects that are unwilling or unable to provide informed consent * Subjects with medical restrictions that may interfere with or prevent them from taking part in the yoga interventions * Active, regular cigarette smokers, such that smoking may interfere with relaxation and breathing modalities of the yoga interventions. (Smokers that have been smoke-free for 6 months may be included) * Patients who currently practice or have recently practiced yoga (taken a yoga class on a regular basis in the last 6 months).