The New York Times has published an article about unauthorized access to NIH-supported data by fringe researchers who have used the data to promote racist pseudoscience. The ABCD Study is named. These egregious misuses of the data are fundamentally inconsistent with the study’s goals, methods, and values. ABCD is designed to advance rigorous and ethical research and opposes discriminatory, stigmatizing, or harmful uses of the data. We are deeply sorry for the distress this has caused and will be reaching out to participants, the public, and the scientific community in the coming days and weeks.

Read more: New York Times
Read more: Responsible use of population neuroscience data in ABCD

The ABCD 6.1 patch release is now available!

The release includes new summary scores, as well as data and metadata fixes.

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The Fall 2025 ABCD Study Newsletter is now available!

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Fentanyl: What You Need to Know

More info
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Genetic Results for ABCD Study Participants

Participants age 18 or older can choose to receive their personal genetic results.
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We’re live! Welcome to the official ABCD Instagram page!

Follow @theabcdstudy to get the latest updates, insights, and discoveries about ABCD
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Participant Resources

ABCD participants can now access resume and career resources, as well as information on substance use risk and prevention, on the ABCD website!

View the New Information!

The NIH Brain Development Cohorts (NBDC) Biospecimen Access Program has now launched!

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Adolescent Brain Cognitive Development

The ABCD Study® is the largest long-term study of brain development and child health in the United States.