Introduction: When scientists and doctors want to understand how new treatments or medicines work in our bodies, they have to do a lot of testing and research. This research helps them know if a medicine is safe or if a treatment will help a person feel better. To do this research, doctors an

Introduction: Have you ever wondered how doctors and scientists know which medicines work or if a new treatment is safe? To find this out, doctors and scientists do something called research and clinical trials. These are like special tests where new medicines or treatments are studied to see