Understanding evidence
A smaller risk, in real numbers: the guide to medical percentages
Work through absolute risk, relative change, time frames and treatment burden using clearly labelled examples you can check yourself.
Research & explainers
Source-linked briefs and practical guides to understanding a finding.
5 results
Understanding evidence
When medical studies disagree: how to build a clearer picture
A practical method for connecting studies without counting every paper as a separate vote or mistaking a new result for the final answer.
Understanding evidence
A 50% reduction. But 50% of what?
A simple way to read absolute and relative risk together — and see what a headline leaves out.
Understanding evidence
When two things move together, what can we conclude?
Study design helps separate an interesting association from evidence about cause and effect.
Understanding evidence
A better test result is not always a better health outcome
Distinguish what a study measures from what readers hope the result means.
LOOKING FURTHER BACK?
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Historical press releases remain available at their original addresses.