The National Institutes of Health (NIH) has announced a funding opportunity titled "Population Assessment of Tobacco and Health (PATH) Study Biospecimen Access" (X01), aimed at providing researchers access to critical biospecimens and related data from the PATH Study. This initiative seeks to support studies that align with the objectives of tobacco regulatory science, emphasizing the importance of understanding tobacco use behaviors and health outcomes in the U.S. The PATH Study, which has been collecting longitudinal data since 2011, includes biological samples such as urine, serum, plasma, and genomic DNA. Applications will be accepted starting March 30, 2024, with a final submission deadline of October 31, 2026. Interested applicants can find more information and application instructions at the NIH grants website or contact NIH Grants Information at grantsinfo@nih.gov for further inquiries.