--- title: "Meaning & Key Takeaway of: The only way to know if the screening is…" description: "\"“The only way to know if the screening is saving lives is by doing a randomized trial. It's easy to forget this and assume that if technology can find ..." image: "https://sms4smile.com/quotes/i/597/h-gilbert-welch-76277_cancer-screening_the-only-way-to-know-if-the-screening-is_1018481.jpg" --- # The only way to know if the screening is saving lives is… ![“The only way to know if the screening is saving lives is by doing a randomized trial. It's easy to forget this and assume that if technology can find more cancer, it will save more lives. Marketers exploit this assumption. Don't fall for it.” quote by H. Gilbert Welch](https://sms4smile.com/quotes/i/597/h-gilbert-welch-76277_cancer-screening_the-only-way-to-know-if-the-screening-is_1018481.jpg) [Download](https://sms4smile.com/quotes/i/597/h-gilbert-welch-76277_cancer-screening_the-only-way-to-know-if-the-screening-is_1018481.jpg) [Open image](https://sms4smile.com/quotes/i/597/h-gilbert-welch-76277_cancer-screening_the-only-way-to-know-if-the-screening-is_1018481.jpg) > ““The only way to know if the screening is saving lives is by doing a randomized trial. It's easy to forget this and assume that if technology can find more cancer, it will save more lives. Marketers exploit this assumption. Don't fall for it.”” [H. Gilbert Welch](https://sms4smile.com/quotes/author/h-gilbert-welch/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Effective screening must be proven by randomized trials, not assumed from detection rates; marketing can mislead. **In simple terms:** Screening works only if trials show lives saved. Key Takeaway Demand evidence, not hype. Themes evidence screening marketing ethics Mood cautious critical Type informative analytical When to use this quote - public health campaigns - patient counseling - policy making - media analysis Key Concepts clinical trials health policy risk communication Questions to Reflect On - How can we balance rigorous testing with urgent health needs? - What safeguards prevent marketing from distorting evidence? A Different Perspective Randomized trials are costly and may delay adoption of useful technologies. ★ ★ ★ ★ ★ No ratings yet [Cancer](https://sms4smile.com/quotes/about/cancer/) [Cancer Save](https://sms4smile.com/quotes/about/cancer-save-2255230/) [Cancer-screening](https://sms4smile.com/quotes/about/cancer-screening-27198/) [Know Screening](https://sms4smile.com/quotes/about/know-screening-2255228/) [Saving Lives](https://sms4smile.com/quotes/about/saving-lives/) [Screening](https://sms4smile.com/quotes/about/screening/) [Screening Saving](https://sms4smile.com/quotes/about/screening-saving-2255229/) [Technology](https://sms4smile.com/quotes/about/technology/) ## Related quotes > [“Given the number of small cancers they did find and the number that they reasoned they had missed...the researchers concluded that virtually everybody would…](https://sms4smile.com/quotes/h-gilbert-welch/given-the-number-of-small-cancers-they-did-find-and-the-number-that/) [H. 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