Anti-Inflammatory Lifestyle Intervention for Emerging Adult Cancer Survivors

Inclusion Criteria: * Age 18-29 * Cancer diagnosis of any type * Body fat percentage \>16.2% for women; \>10.6% for men Exclusion Criteria: * Individuals receiving active chemotherapy/radiation or those having completed active chemotherapy/radiation within the past 6 months * Individuals who are currently pregnant or lactating * Current involvement in a weight loss program or current use of weight loss medication * Individuals who report any other uncontrolled medical conditions that may pose a safety issue given the recommendations for the diet and unsupervised physical activity (e.g., uncontrolled hypertension) * Individuals with rheumatologic and gastrointestinal conditions associated with severe systemic inflammation (e.g., rheumatoid arthritis, systemic lupus erythematosus, Crohn's disease) * Individuals with medical conditions resulting in known perturbations in the hypothalamic-pituitary-adrenal axis (e.g., endogenous hypercortisolemia \[Cushing's syndrome\] or adrenal insufficiency) * Individuals who report a heart condition, chest pain during periods of activity or rest, or loss of consciousness as assessed by the Physical Activity Readiness Questionnaire (PAR-Q) * Report of lifetime diagnosis of Anorexia Nervosa or Bulimia Nervosa, or any compensatory behaviors (vomiting, laxative abuse) within the previous 3 months * Hospitalization for depression or other psychiatric disorder within the past 12 months * Report of lifetime diagnosis of bipolar disorder or psychotic disorder * Indication of current suicidal intent * Inability to speak and read English