Incredible Placebo Study Shows Fake Pills Can Reduce Stress <img width="1024" height="415" src="https://www.sciencealert.com/images/2024/08/PlaceboWorksWhenYouKnowItIsAPlaceboHandHoldingPillOnYellow.jpg" alt="hand holding a white pill on yellow background"/>Even when people know they're placebos. https://www.sciencealert.com/incredible-placebo-study-shows-fake-pills-can-reduce-stress