The National Institutes of Health (NIH) is offering a funding opportunity titled "Advancing Research on Molecular Targets and Mechanisms that Influence the Interplay Between Sex Hormones, HIV, and Addictive Substances," aimed at supporting research into the biological mechanisms by which sex hormones affect the outcomes of comorbid HIV and substance use disorders (SUDs). This initiative encourages applicants to explore molecular pathways that could serve as therapeutic targets, with a strong emphasis on including diverse perspectives through a required Plan for Enhancing Diverse Perspectives (PEDP). Grants of up to $400,000 per year are available under the R01 grant mechanism, with applications due by March 13, 2025. For further inquiries, interested parties can contact NIH Grants Information at grantsinfo@nih.gov or visit the opportunity's webpage at https://grants.nih.gov/grants/guide/rfa-files/RFA-DA-26-007.html.