The National Institute on Alcohol Abuse and Alcoholism Data Archive (NIAAA-DA) is a data repository that houses and shares hundreds of alcohol-related, human subjects study data generated by NIAAA-funded research. NIAAA-DA is housed within the NIMH Data Archive (NDA) which provides infrastructure for sharing research data, tools, methods, and analyses enabling collaborative science and discovery. De-identified human subjects data, harmonized to a common standard, are available to qualified researchers. Summary data is available to all.