SBU-RESET: RElaxation, Stress Reduction and Epigenetics Trial in Cancer Survivors

Inclusion Criteria: * Adults over 18 years old * Primary diagnosis: Lung Cancer, Colon Cancer and Non-Hodgkin's lymphoma (NHL) * Six months post cancer-directed treatment (chemotherapy, targeted and immunotherapy). Patients with active disease (e.g. metastatic colorectal cancer) who are not receiving any cancer-directed treatment are eligible. * Able to provide a saliva sample * Gives informed consent and agrees to be randomly assigned * Able to complete the questionnaire(s) in English. Exclusion Criteria: * Adults with primary anal and/or primary rectal cancer. * Adult cancer survivors who are currently on an active treatment regimen. * Oral or any pathological conditions that can limit the ability to produce saliva. * Unable to participate in full length study period and follow up thereafter. * Is pregnant or plan to become pregnant during the study period. * Currently practicing yoga or SMART * Those on corticosteroid therapy. * Documented fall or syncope within the last 6 months