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By the Everyday Prevention Evidence Team Observational Study vs. Clinical Trial: The Short Answer An observational study and a clinical trial answer different questions. In a clinical trial, …
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By the Everyday Prevention Evidence Team Say you read two articles about a health topic and they say different things. Or your test results use a term nobody explained. Or a guideline seems to have …
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By the Everyday Prevention Evidence Team A health study's results only tell you as much as its participants have in common with you. Before you trust a headline like "new study finds X helps Y," check …
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By the Everyday Prevention Evidence Team Why Does Study Size Matter to a Health Claim? A study's sample size — the number of people who took part — shapes how much weight you can put on its results. …
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By the Everyday Prevention Evidence Team What Does a Systematic Review Actually Tell You? A systematic review synthesizes many studies on a single health question rather than relying on a single …
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By the Everyday Prevention Evidence Team How to Read a Health News Headline: The Quick Answer To read a health news headline accurately, check five things before you act on it: whether the study …
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