It can exacerbate feelings of pain, anxiety, nausea and fatigue. The nocebo effect is the negative mirror image of the placebo effect. Imagine a medical trial. One group is given a real medication ...

The nocebo effect could be seen as the evil twin of the placebo effect: instead of thinking yourself well, you are thinking yourself ill – although not deliberately or even necessarily consciously.

Social media is enabling health symptoms and mass psychogenic illnesses to spread quickly around the world. But by knowing ...

A placebo is often thought of in terms of a sugar ... Sham pills or treatments can make people worse if they are expecting adverse effects. Nocebo means “I shall harm”.