Trustees Of Dartmouth College

This study tests different methods to stop the spread of dangerous bacteria in operating rooms and reduce infections after surgery. About 6,000 people having hip, knee, or spine surgery will take part. The goal is to find the best way to keep patients safe from infections.

This early-stage study tests whether a generative AI chatbot called Therabot-CALM is acceptable and helpful for people with cannabis use disorder who also have anxiety or depression. Fifteen participants will use the app for 4 weeks and give feedback through interviews and survey…

This study looks at how a placebo cream can change the way people feel pain. About 150 adults will receive mild heat pulses on different parts of their body while their brain activity is scanned. The goal is to understand how the brain processes pain and whether a fake cream can …

This study looks at how online cannabis ads that claim to treat anxiety or depression affect what people buy. About 2,000 light-to-moderate cannabis users with mild to severe anxiety or depression will shop in a realistic online store. Researchers want to see if these ads make pe…

This study tests whether a gentle, non-invasive brain stimulation technique (tTIS) can reduce negative feelings like fear and pain. It also looks at how a doctor's positive or negative words about the treatment might change its effects. About 190 healthy adults will take part, re…

This study is testing whether a table-top water filter pitcher can lower arsenic levels in people who get their drinking water from private wells. Twenty adults in New Hampshire with high arsenic in their well water will use the pitcher for 12 weeks. Researchers will measure arse…

This study looks at how having control over a virtual environment changes how people feel pain and anxiety. Twenty healthy adults will experience mild pain and anxiety in different virtual settings—some they can control, some they cannot. The goal is to understand how the brain a…