The National Institutes of Health (NIH) is offering a grant opportunity titled "Tobacco, Alcohol, and Cannabis Policy Research for Health Equity (R01 Clinical Trial Optional)" aimed at supporting research projects that evaluate policies related to tobacco, alcohol, and cannabis use in the United States. The initiative focuses on understanding how these policies impact substance use and secondhand exposure among populations experiencing health disparities, with an emphasis on community engagement to enhance cancer prevention efforts. Eligible applicants include a wide range of organizations such as higher education institutions, nonprofits, and government entities, with funding available up to $500,000 per year for a maximum of five years. Interested parties can find more information and application details at the NIH grants website, with the application deadline set for January 7, 2028.