Skip to main content
Avg ER Wait
Checking ER Wait Time
The feed could not be reached
TriStar Centennial Medical Center


A fake, innocuous treatment used in scientific studies to test the efficacy of another substance. A placebo is designed to appear as much as possible like the real substance being tested. Through the power of suggestion, placebo treatments can produce dramatic and long-lasting results in a majority of the people who are given them.

The health information in this Health Library is provided by a third party. TriStar Health does not in any way create the content of this information. It is provided solely for informational purposes. It does not constitute medical advice and is not intended to be a substitute for proper medical care provided by a physician. Always consult with your doctor for appropriate examinations, treatment, testing, and care recommendations. Do not rely on information on this site as a tool for self-diagnosis. If you have a medical emergency, call 911.