A new report has highlighted the consequences of misinformation, including loss of trust in public institutions, delayed action on pressing issues such as climate change, and the financial toll on healthcare services during the COVID-19 pandemic.

The ‘Fault Lines’ report involved a panel of international experts, including leading cognitive scientist Professor Stephan Lewandowsky, from the University of Bristol.

As science and health misinformation become a growing part of people’s lives, the findings show how these issues are having a greater influence on ideology and identity. The report, led by the Council of Canadian Academies (CCA), also indicates how these threats are contributing to social division and inequality as well as exerting financial pressure on healthcare systems.

The report set out mounting evidence revealing how misinformation has led to illness and death from unsafe interventions and products, vaccine preventable diseases, and flouting of public health measures, with the most vulnerable populations suffering more. For instance, it estimates that science and health misinformation cost the Canadian healthcare system at least $300 million during the COVID-19 pandemic. This is the first time that the cost of misinformation has been estimated directly.

Professor Stephan Lewandowsky, Chair in Cognitive Psychology, said: “This report demonstrates and quantifies the pervasive potential of misinformation to adversely affect society and put unnecessary extra pressure on healthcare services already under considerable strain.

“Misinformation associated with the COVID-19 pandemic, fuelling vaccine hesitancy, is a case in point which has resulted in measurable loss of life, not to mention the considerable financial toll. Although combatting this scourge is a constant battle, various measures outlined in this report can be deployed to minimise and dispel misinformation, which is an increasingly prevalent threat in people’s daily lives.”

While tackling misinformation is a complex and long-term challenge, the report details several measures that have shown promise. Ensuring that accurate health and science information is widely accessible and is communicated honestly, understandably, and by trusted messengers can help protect people from misinformation.

Identifying, labelling, and debunking misinformation can also be effective, as are interventions that better equip individuals to sort through the increasingly complex information environment, particularly the promotion of critical thinking and media and science literacy in school education.

“Misinformation has become a global problem and a defining issue of our time,” said Professor Alex Himelfarb, Chair of the Expert Panel and Chair of the Steering Committee of the Canadian Centre for Policy Alternatives.

“The unchecked spread of science and health misinformation leaves individuals and society vulnerable to exploitation and threatens our ability to work together to address shared challenges.”

‘Fault Lines’ explores what makes people susceptible to misinformation messaging and how these insights might be used to improve societal resilience. The report includes original modelling work to estimate the health impacts and hospitalisation costs associated with COVID‑19 vaccine hesitancy in Canada, and the role misinformation played in contributing to this hesitancy.

“The impacts of misinformation are complex and not always easy to quantify directly, but they have the potential to undermine the advances made to date in science and health,” said Professor Eric Meslin, President and CEO of the CCA.

“This report explores some of the leading practices for assessing and responding to misinformation that could help to inform approaches to address it.” 

Further information

About the Council of Canadian Academies

The CCA is a not-for-profit organisation that undertakes independent, evidence-based expert panel assessments to inform public policy development in Canada. The CCA was founded by three independent organisations that represent some of the finest minds in Canada ― the Royal Society of Canada, the Canadian Academy of Engineering, and the Canadian Academy of Health Sciences. Their Fellows and senior decision-makers sit on CCA’s Board of Directors and Scientific Advisory Committee, and they are a key source of membership for expert panels. The CCA’s founding Academies also provide key guidance and input throughout the assessment process, including expert panel nominations and dissemination processes.

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