The Fascinating Story Of Placebos And Why Doctors Should Use Them More Often a certain leaf, but there was a charm to go with the remedy; and if one uttered the charm at the moment of its application, the remedy made one perfectly well; but without the charm there was no efficacy in the leaf. Please share this article - Go to very top of page, right hand side, for social media buttons. We would now call Plato’s “charm" a placebo. Placebos have been around for thousands of years and are the most widely studied treatments in the history of medicine. Every time your doctor tells you that the drug you take has been proved to work, they mean that it has been proved to work better than a placebo. Every tax or insurance dollar that goes towards a treatment that is “proved" to work is proved to work because it is (supposed to be) better than a placebo.