I made my husband ill with a few words nobody is immune to the power of the nocebo effect | Helen Pilcher

"The nocebo effect occurs when dismal expectations lead to negative health outcomes. The phenomenon can create, exacerbate and prolong symptoms. When these symptoms coalesce, people become ill not from disease, but from the intimate relationship that exists between mind and body. The beer box ruse was a crude experiment. I wanted to see how easy it is to conjure the nocebo effect and the answer is very. Sometimes, all it takes to make someone feel genuinely unwell is a few carefully chosen words."

"You may have heard of the placebo effect, when positive expectations lead to positive health outcomes. But my interest is in its evil twin. The nocebo effect occurs when dismal expectations lead to negative health outcomes. The phenomenon can create, exacerbate and prolong symptoms. When these symptoms coalesce, people become ill not from disease, but from the intimate relationship that exists between mind and body."

"In one, patients fresh from minor keyhole surgery received a harmless saline infusion that they were told would temporarily increase their pain. It did just that. In another, 40 asthmatic adults breathed in water vapour from an inhaler they were told contained an irritant. Nineteen went on to feel wheezy. Twelve had a full-blown asthma attack."

"These are artificial situations, but the nocebo effect is out there in the real world too. Whenever we have negative expectations about health, they can generate a self-fulfilling prophecy. I"

A monthly beer box subscription led to a fabricated recall email that made the recipient feel sick. The nocebo effect is described as the counterpart to the placebo effect, where pessimistic expectations produce negative health outcomes. The phenomenon can create, intensify, and extend symptoms by linking mind and body. A saline infusion described as increasing pain produced higher pain levels after minor surgery. An inhaler described as containing an irritant caused wheezing and asthma attacks in a portion of participants. Negative health expectations can therefore act as self-fulfilling prophecies in real life, generating genuine physical symptoms.

Read at www.theguardian.com