line of people waiting outside mass vaccination site
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms
A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.
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“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms

A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.

A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.

ABOVE: © ISTOCK.COM, MAXIMAGES

placebo

Capsule Reviews
Bob Grant | Aug 1, 2014
The Myth of Mirror Neurons, Curious, Shadow Medicine, and Doctored
Placebo’s Double Whammy
Kerry Grens | Oct 14, 2013
Sham treatments can both reduce pain and increase pleasure, and do so affecting similar circuitry in the brain.
Worried Sick
Megan Scudellari | Jul 1, 2013
Expectations can make you ill. Fear can make you fragile. Understanding the nocebo effect may help prevent this painful phenomenon.
Rats Get Placebo Effect
Dan Cossins | Nov 28, 2012
Rodents experience placebo-induced pain relief, providing a new model with which to investigate the phenomenon.
Personality Predicts Placebo Effect
Dan Cossins | Nov 16, 2012
People with certain personality traits are more likely to get pain relief from a placebo, a finding that could help improve clinical trials.
A Placebo for Schizophrenia?
Cristina Luiggi | Jun 25, 2012
The placebo effect in clinical trials of the mental disorder has increased over the past decade.
Placebos Use Pot Receptor
Tia Ghose | Oct 5, 2011
Some pain-relief placebos work in part by activating a cannabinoid receptor, stimulating the same pathway as marijuana.
Placebo of HIV Trials
Jef Akst | Jul 14, 2011
A new study confirms that a “trial effect”—in which patients improve simply as a result of taking part in a drug study—once existed among HIV trial participants.
Puzzle Me This
Graeme Stemp-Morlock | Jan 31, 2011
What substance is supposed to have no effect but can make people feel better, has no chance for a big monetary payoff but is worth billions, and is used in virtually every rigorous clinical trial but has no single, universal formulation?