GASTROINTESTINAL DISEASES

This study follows 5,000 beachgoers in Canada to see how different levels of water contact—from wading to swallowing water—affect their risk of stomach bugs, respiratory infections, and skin or ear problems. Researchers will also check water quality and ask about people's awarene…

This study tracks 2,500 people and their dogs at four Canadian beaches to see how often they get sick from blue-green algae. Researchers will measure stomach, skin, eye, and breathing problems linked to swimming or playing in algae-affected water. The goal is to provide data to h…

This study watches 200 people with lung, gut, or hormone diseases over time using special brain scans (PET). It aims to see how these diseases change brain activity and whether those changes can predict tumor return, spread, or survival. No new treatment is tested—just observatio…

This study is watching 500,000 adults with chronic gut conditions like Crohn's disease, ulcerative colitis, and eosinophilic GI disease. Researchers are collecting health records and patient reports to learn how these diseases progress and how well treatments work. No new treatme…

This study tests a new digital platform that helps doctors and nurses share important patient information when a person is moved from one hospital to another. About 1,000 adults being transferred to a major hospital will take part. The goal is to see if better information sharing…