Pain, Psychological, and Endocannabinoid Responses to Yoga in Breast Cancer Survivors With Chemotherapy-induced Neuropathic Pain

Inclusion Criteria: * A diagnosis of breast cancer (stage 0-III), * no evidence of active disease (i.e., recurrence, bone metastases, etc), * presence of painful polyneuropathy, with onset coinciding or developing after receiving chemotherapy agents that in the opinion of the research team is likely to have caused such symptoms, * at least six months since last active cancer treatment, with no further planned treatment (Note. active treatment is defined as surgery, chemotherapy, or radiation), * the participant agrees to use the safety stop feature on the treadmill if needed, * at least 18 years of age, * and their physicians has provided consent for them to participate in yoga and aerobic exercise sessions. Exclusion Criteria: * Undergoing current chemotherapy or radiation treatment for cancer, * taking anticoagulant therapy, * uncontrolled medical conditions (i.e., uncontrolled hypertension, heart disease, stage 4 liver disease, end-stage renal disease, end-stage pulmonary disease, etc), * stroke or myocardial infarction in the past 6 months, * being pregnant or planning to become pregnant, * severe mobility constraints (e.g., confined to a wheelchair), * having a history of light headedness or fainting during blood draws or physical activity.