Who can participate in health research or clinical studies?

Anyone can participate in health research or clinical studies, including people that are healthy or sick, children, and dependent individuals. Each study has requirements that must be met before a volunteer can take part. These requirements are called “inclusion criteria,” and the requirements that prevent volunteers from participating are called “exclusion criteria.” These criteria may pertain to age, gender, the type and progression of a health condition, previous treatment history, and other medical diagnoses.