Overdiagnosis, Values and Evidence - Resources


This resources page, developed by the RCGP Overdiagnosis Group, provides some resources that many professionals and patients may find useful when considering overdiagnosis, values and evidence. 


Shared decision making resources

NHS England: guidance and resources for shared decision making

This website also contains links to some shared decision aids.

Harding Centre for Risk Communication

Fact boxes which provide quick graphical description of relative risks and benefits for some interventions - includes statins for primary prevention, screening, antibiotics for bronchitis.

Prescribing drugs and non-drug interventions

Learning and teaching

Aimed at professionals

Aimed at everyone

  • James Lind Library: Extensive online library documenting the history of fair tests of interventions in health care.
  • Testing Treatments: Available in multiple languages, interactive approach, explains why fair tests of healthcare interventions are needed and teaches the critical appraisal skills to evaluate claims.
  • Behind the Headlines: Online resource which assesses many UK media health stories for accuracy of reporting.
  • Risk of deception tool: Online resource from the University of British Columbia to help people identify the likelihood of internet scams.
  • Know your chances: Free online book by Dartmouth University academics aimed at a wide readership which teaches basic statistical literacy.

Aimed at children

  • Informed health choice: This international initiative aims to teach children to spot fake healthcare claims. Includes an evidence based medicine song!
  • Facts for Life: Course developed for children in schools teaching about ‘normal’ health and illness. Available on a paid-for basis in the UK.

Campaigns and conferences

Other resources - campaigns and conferences

  • RCGP Policy on overdiagnosis - paper approved by the RCGP council which contains 5 tests which are to be applied to any new RCGP policy.
  • RCGP Values and Evidence fellowships 
  • Choosing Wisely - UK campaign: Part of a global initiative website; contains resources such as posters asking patients to ask doctors the BRAN questions (Benefits/Risks/Alternative/What would happen if I do nothing?)
  • Alltrials campaign: Many clinical trials go unreported leading to bias - this campaign aims to change that
  • Compare-trials campaign: Outcome switching may be legitimate in clinical trials but may increase the risk of bias. Campaign to compare registered and published trial outcomes


  • Preventing Overdiagnosis 2018 - Denmark
  • Preventing Overdiagnosis 2019 - Australia, December 2019
  • EBMLive 2019 - Making Evidence Relavant and Replicable for Policy, Patients and Professionals in Healthcare. Oxford, July 2019

While the content of this page is reviewed and updated on a regular basis, we do not control or accept any responsibility for any linked resources on third-party websites or for any liability arising from their use. Any inclusion in this page does not necessarily imply RCGP endorsement. Access to and use of content including clinical guidelines on any third-party website is carried out solely at your own risk.

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