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First Data Released from Adolescent Brain Study
How does the use of substances like alcohol, nicotine, marijuana or other drugs affect learning and the developing adolescent brain? What is the relationship between substance use and mental illness? What is the relationship between screen time and brain and social development?
Researchers are hoping that data from the Adolescent Brain Cognitive Development (ABCD) study will lead to answers to these and many other questions. In February 2018, the National Institutes of Health released the first dataset from this major study. 
"By sharing this interim baseline dataset with researchers now, the ABCD study  is enabling scientists to begin analyzing and publishing novel research on the developing adolescent brain," said Nora D. Volkow, M.D., director of the National Institute on Drug Abuse (NIDA). "As expected, drug use is minimal among this young cohort [9-10 years old], which is critical because it will allow us to compare brain images before and after substance use begins within individuals who start using, providing needed insight into how experimentation with drugs, alcohol and nicotine affect developing brains." This is the first of many data releases planned over the ten year scope of the study. 

To date, more than 7,500 youth and their families have been recruited for the study, well over half the participant goal.  Approximately 30 terabytes of data (about three times the size of the Library of Congress collection), obtained from the first 4,500 participants, will be available to scientists worldwide to conduct research on the many factors that influence brain, cognitive, social, and emotional development. The ABCD study is the largest long-term study of brain development and child health in the United States.

More details here from the National Institute on Drug Abuse (NIDA). 

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