National Institute On Drug Abuse (nida)

This study was not a treatment trial. Its purpose was to screen and identify thousands of adults who might be eligible for future research studies on drug addiction. Participants underwent interviews and medical tests to create a pool of potential volunteers. No treatment or clin…

This study aimed to develop better tools for understanding how daily stress and a person's environment influence drug use. Researchers gave smartphones and GPS devices to about 370 adults in Baltimore who were receiving medication treatment for opioid addiction. For several month…

This study aimed to understand how genes might be linked to substance use disorders and related behaviors. Researchers collected genetic information and measured thinking skills, emotions, and decision-making in 847 adults, including healthy volunteers and people with substance u…

This study aimed to understand why people start using drugs, become addicted, or seek treatment by looking at neighborhood and environmental factors. Researchers observed over 1,600 adults in Baltimore, comparing people who don't use drugs with those who do. Participants provided…

This study aimed to create and test new computer tasks to use during brain scans, helping researchers understand how drug use affects thinking and decision-making. Researchers worked with 525 volunteers, including both people who use drugs and those who don't, to develop these ta…

This study aimed to understand why some people find it harder to quit smoking than others. Researchers used brain scans (MRIs) and genetic tests on 159 smokers, former smokers, and non-smokers to look for patterns linked to addiction. The goal was to gather information that could…

This small, completed study aimed to understand the connection between gut bacteria and alcohol use disorder. Researchers compared the gut bacteria of people who currently drink heavily, those who have stopped, and healthy moderate drinkers. They also tested if different gut bact…