In a striking parallel to centuries-old practices of witches and shamans who invoked curses, modern social media feeds may now unwittingly contribute to the spread of health-related anxieties.
This is not merely about the circulation of pseudoscientific remedies or fad diets; rather, it involves the dissemination of exaggerated health threats that can lead to genuine physical symptoms. The psychological power behind these communications can manifest in a range of issues, including involuntary tics, headaches, muscle pain, fainting spells, and cognitive difficulties.
The influence of negative expectations on health, known as the “nocebo effect,” is well documented. Recent studies indicate a growing interest in how this effect can be transferred between individuals. Research demonstrates that nocebo responses can be easily transmitted through face-to-face interactions, written content, and, alarmingly, social media platforms.
“The rapid spread of nocebo effects online presents a significant concern, particularly because many people turn to the internet and social media for health information,” warns an expert from a leading university.
In fact, contagious nocebo reactions are prevalent; many individuals may have experienced such effects themselves—like feeling nauseous after witnessing someone else vomit. Thankfully, ongoing research is uncovering effective strategies to shield ourselves from these psychological “viruses.”
The Contrast with the Placebo Effect
While the nocebo response may be less familiar to some, its opposite— the placebo effect—is widely recognized. In various circumstances, this effect can lead to improvements in well-being simply through the anticipation of relief. Even the administration of a sugar pill, when presented positively, can yield significant benefits…
