National Cancer Awareness Day is observed annually on November 7 across India to spread awareness about cancer, its prevention, and the necessity of early detection. The date commemorates the birth anniversary of Nobel laureate Marie Curie, whose pioneering work on radioactivity revolutionized cancer treatment through radiotherapy. Instituted by the Ministry of Health in 2014, the day urges citizens to adopt healthy lifestyles and undergo timely screening, particularly for common cancers like breast, cervical, and oral.