The placebo effect is real, we all know that. Our bodies can be tricked into getting better and healthier even when we’re take taking sugar pills or fake drugs or undergoing treatment that isn’t even supposed to help us get better. If we believe it will help, it sometimes really does help. Ted-Ed dives in a bit on the mystery behind the phenomenon and how the placebo effect is proof of how the human body is extraordinary but also how it’s not always a good thing.