By Serusha Govender
The Rumor: Your mind-set has no influence on a medicine's effectiveness
You’ve heard of the placebo effect, right? That's what occurs when patients think they’re getting a fancy new drug, but what they’re really getting is just a sugar pill. Then, in a case of "mind over medicine," they start to recover from their ailment as though they'd been taking the real deal.
But the placebo effect has a dark side, too -- a sort of negative placebo effect called the nocebo effect. It’s...