Angshuman K. Kashyap, University of Maryland
In today’s digital world, people routinely turn to the internet for health or medical information. In addition to actively searching online, they often come across health-related information on social media or receive it through emails or messages from family or friends.
It can be tempting to share such messages with loved ones – often with the best of intentions.
As a global health communication scholar studying the effects of media on health and development, I explore artistic and creative ways to make health information more engaging and accessible, empowering people to make informed decisions.
Although there is a fire hose of health-related content online, not all of it is factual. In fact, much of it is inaccurate or misleading, raising a serious health communication problem: Fake health information – whether shared unknowingly and innocently, or deliberately to mislead or cause harm – can be far more captivating than accurate information.
This makes it difficult for people to know which sources to trust and which content is worthy of sharing.
Fake health information can take many forms. For example, it may be misleading content that distorts facts to frame an issue or individual in a certain context. Or it may be based on false connections, where headlines, visuals or captions don’t align with the content. Despite this variation, such content often shares a few common characteristics that make it seem believable and more shareable than facts.
For one thing, fake health information often appears to be true because it mixes a grain of truth with misleading claims.
For example, early in the COVID-19 pandemic, false rumors suggested that drinking ethanol or bleach could protect people from the virus. While ethanol or bleach can indeed kill viruses on surfaces such as countertops, it is extremely dangerous when it comes into contact with skin or gets inside the body.
Another marker of fake health information is that it presents ideas that are simply too good to be true. There is something appealingly counterintuitive in certain types of fake health information that can make people feel they have access to valuable or exclusive knowledge that others may not know. For example, a claim such as “chocolate helps you lose weight” can be especially appealing because it offers a sense of permission to indulge and taps into a simple, feel-good solution to a complex problem. Such information often spreads faster because it sounds both surprising and hopeful, validating what some people want to believe.
Sensationalism also drives the spread of fake health information. For instance, when critics falsely claimed that Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases and the chief medical adviser to the president at the time, was responsible for the COVID-19 pandemic, it generated a lot of public attention.
In a study on vaccine hesitancy published in 2020, my colleagues and I found that controversial headlines in news reports that go viral before national vaccination campaigns can discourage parents from getting their children vaccinated. These headlines seem to reveal sensational and secret information that can falsely boost the message’s credibility.
The internet has created fertile ground for spreading fake health information. Professional-looking websites and social media posts with misleading headlines can lure people into clicking or quickly sharing, which drives more and more readers to the falsehood. People tend to share information they believe is relevant to them or their social circles.
But sharing content without verifying it first has real-world consequences. [Abridged]
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