Absolutely not. Certain clinical trials recruit individuals that have pre-existing medical conditions, for example diabetes or back pain. Other clinical trials strive recruit only healthy volunteers for clinical trials. Each clinical trials is different and may recruit a different population of people.
All individuals can potentially participate in clinical trials, no matter the age, healthy, race, or nationality. ClinicalConnection.com, however, does not allow anyone under the age of 18 to sign up as a member of ClinicalConnection.com.