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Breast cancer screening. Overdiagnosis artificially inflates the 5-year survival rate #India (66% 5 year survival rate) Spain (83%) USA (90%). Don't mix 5-year survival rate of cancer with/without screening. The "popularity paradox": bad cancer screening->overdiagnosis (true positives)-> people don't die of disease- think life saved -> 5-year survival % increased -> think screening great -> bad screening gets more popular-> risk for relatives->snowball of "needed" bad screening
https://www.actasanitaria.com/good-news-about-cancer-5-year-survival-has-increased-in-the-world/
- the "popularity paradox" of bad screening from Margaret McCartey, the popularity paradox with corrections