National Institute on Drug Abuse NIDA is the lead federal agency supporting scientific research on drug use and its consequences. Learn More About NIDA Image Nora's Blog Investing in Prevention Makes Good Financial Sense Primary prevention is relatively inexpensive compared to the costs of addiction Image News Release Tobacco smoking rates are decreasing in people with major depression and substance use disorder Despite decline, smoking cessation efforts still critical for people with substance use or other psychiatric disorders Image News Release Drug use severity in adolescence affects substance use disorder risk in adulthood Screening for substance use disorder in teens may predict adult prescription drug use and misuse and prevent overdose Image Featured Higher initial doses of Naloxone could more quickly revert an overdose of potent Carfentanil Repeated doses could help prevent re-narcotization from long-acting fentanyls, according to animal study in Nature NIDA Points of Interest Image About NIDA Advancing the science on the causes, consequences, and treatment of drug use. Image Director's Page Nora D. Volkow, M.D., became Director of NIDA in May 2003. Image Grants & Funding Research grants, contracts, and supplements related to drug use and addiction. Image NIDAMED: Clinical Resources Substance use screening tools, guidelines, and other resources. Image Research & Training Programs to support research training from high school through tenure. Image NIDA Research Programs & Activities Learn about NIDA-supported research and cross-agency research activities on drug use and addiction. Image Infographic Medications for Opioid Overdose, Withdrawal, & Addiction Explore the different types of medications prescribed for opioid overdose, withdrawal, and addiction Featured Initiatives HEAL Initiative HIV Research Program (HRP) Clinical Trials Network ABCD Study - Adolescent Brain Racial Equity Initative Latest from NIDA Nora's Blog Investing in Prevention Makes Good Financial Sense News Release Tobacco smoking rates are decreasing in people with major depression and substance use disorder News Release Drug use severity in adolescence affects substance use disorder risk in adulthood Upcoming Meetings/Events Meeting/Event Neurocognitive Mechanisms of Structural Racism Tuesday, May 17, 2022 - 12:00pm to Thursday, May 19, 2022 - 5:00pm | Virtual Meeting/Event 2022 Symposium on the Avant-Garde Award Program for HIV/AIDS and Substance Use Disorder Research Wednesday, May 18, 2022 1:00pm to 4:00pm | Virtual Looking for Treatment? Use the SAMHSA Treatment Locator or call 1-800-662-HELP (4357). Participate in a Clinical Trial Use the NIDA Clinical Trials Locator - answer a few simple questions and get contact information for studies near you.