Blame It on the Placebo

Studies in the past several decades have repeatedly demonstrated that the placebo effect is quite real and, though unpredictable, has the potential to alleviate symptoms even when people know they’re taking a placebo. It’s been theorized that this efficacy is connected to an individual’s expectations for positive results. Write a short story in which your main character recovers from an ailment and then discovers it is due to a placebo effect. Who was responsible for prescribing the placebo? Does this discovery lead to a darker truth?