The document discusses omega-3 fatty acids and their potential benefits for cancer therapy and prevention. Preclinical studies show omega-3s may suppress cancer growth and increase the efficacy of chemotherapy or radiation. Potential mechanisms for this include reducing inflammation and oxidative stress, inhibiting cell proliferation and angiogenesis, and inducing cancer cell death. Limited clinical studies also provide some evidence that omega-3 supplements may benefit cancer patients by reducing cachexia and improving responses to treatment for cancers like breast cancer.