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.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.