The National Institutes of Health (NIH) has issued a Notice of Funding Opportunity (NOFO) for Basic Research in Cancer Health Disparities (Funding Opportunity Number PAR-25-243). This grant aims to support innovative research that investigates the biological and genetic causes of cancer health disparities among various racial and ethnic populations. Eligible applicants include higher education institutions, nonprofits, and for-profit organizations, with a focus on those serving underrepresented groups. The objectives are to uncover cancer risk factors and develop prevention strategies by exploring biological contributors to disparities in cancer incidence and outcomes. Emphasis is placed on mechanistic studies, new methodologies, and the utilization of biospecimens from diverse populations. Applications must adhere to stringent submission guidelines and will undergo rigorous peer review to assess the significance, innovation, and potential impact of the proposed research. Key guidelines include clear budgeting, compliance with updated NIH policies, and the inclusion of a Data Management and Sharing Plan. The application process opens on January 5, 2025, with the first due date on February 5, 2025. This initiative not only strives to enhance the understanding of cancer disparities but also seeks to foster a network of skilled researchers in this vital area.