Introduction: - World Cancer Day, observed annually on February 4, aims to raise awareness and inspire action against cancer worldwide. The 2021 theme, "I am and I will," highlights individual commitment to fight against the disease. Cancer is a significant cause of death globally, affecting people of all ages and backgrounds, with a higher impact in developing economies. It arises from genetic mutations caused by various factors, including environmental exposure, lifestyle choices, and genetic predisposition. Chemotherapy and Radiation is a common treatment, but it may have immediate or delayed side effects. Complementary therapies like progressive muscle relaxation and acupuncture are explored to mitigate these effects. World Cancer Day serves as a crucial platform to unite communities, governments, and individuals in the battle against cancer, emphasizing the importance of early detection, prevention, and continuous support for patients and survivors.