The National Institutes of Health (NIH) has announced a Notice of Funding Opportunity (NOFO) titled "Tobacco Regulatory Science (R01 Clinical Trial Optional)" aimed at advancing research that informs the regulation of tobacco products to protect public health. This initiative invites R01 applications for biomedical and behavioral research projects that align with the regulatory priorities of the FDA's Center for Tobacco Products, focusing on areas such as product composition, toxicity, addiction, and health effects related to tobacco use. Funding is available for up to six grants, with a maximum direct cost of $500,000 per year for a duration of five years, totaling up to $4 million. Interested applicants must submit their proposals by May 2, 2025, and can find additional information and application instructions at the NIH grants website or contact NIH Grants Information at grantsinfo@nih.gov.