National Institute on Drug Abuse

Supporting scientific research on drug use and addiction

See research on substance use

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Nora's Blog

Toward the development of e-cigarettes as smoking-cessation therapeutics

Developing an FDA-approved e-cigarette for smoking cessation could improve public health.

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Nora's Blog

Advancing Recovery Research

Increasing the number of people achieving long-term recovery from SUDs is a national policy priority and a major goal of...

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Nora's Blog

Advancing reduction of drug use as an endpoint in addiction treatment trials

Abstinence is sometimes not achievable. There’s a need for new treatment approaches.

Featured

Drugs A to Z

Browse our new page with key facts on drugs. Learn about health effects, risks, and treatment options.

NIDA Points of Interest

About NIDA

Advancing the science on drug use and addiction

Director's Page

Nora D. Volkow, M.D., became Director of NIDA in May 2003.

Grants & Funding

Research grants, contracts, and supplements related to drug use and addiction.

NIDAMED: Clinical Resources

Substance use screening tools, guidelines, and other resources.

Research & Training

Programs to support research training from high school through tenure.

NIDA Research Programs & Activities

Learn about NIDA-supported research and cross-agency research activities on drug use and addiction.

Medications for Opioid Use Disorder

Medications for Opioid Overdose, Withdrawal & Addiction

Video

Medications for opioid use disorder are safe, effective, and save lives. This NIDA-produced video takes a closer look at these medications and how they work.

Explore Topics in Substance Use and Addiction Science

Explore All Research Topics

Explore All Research Topics

Featured Initiatives

Upcoming Meetings/Events

Meeting/Event

Frontiers in Addiction Research, 2025

Friday, November 14, 2025

| San Diego, CA

Meeting/Event

National Advisory Council on Drug Abuse: Open Session – February 2026

Monday, February 2, 2026 1:00pm to 4:30pm

| Neuroscience Center, 6001 Executive Blvd

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Looking for Treatment?

Use the SAMHSA Treatment Locator or call 1-800-662-HELP (4357).

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Participate in a Clinical Trial

Learn more about clinical research and how to participate in a NIDA-funded or NIDA-conducted clinical trial.