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Screenshot of uchicagomedicine.org: Rising rates of colorectal cancer found in nearly all age groups

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Rising rates of colorectal cancer found in nearly all age groups

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UChicago Medicine news article on an NEJM Evidence study finding colorectal cancer incidence rising across nearly all U.S. age groups up to 65-69.

What HN thinks

Everyone has a theory about colon cancer, ranging from fiber to dishwasher rinse aid to holding in farts, and the data keeps politely declining to pick one.

Screening and COVID explain much
Many note rates fell sharply from 2000 to 2022, so the 2023 bump likely reflects the lowered screening age of 45 and catch-up diagnoses after pandemic-era skipped colonoscopies.
Diet and lifestyle blamed
Others point to low fiber, processed food, sugar or US diet, while critics counter that the long decline and global rise undercut simple food theories.
Just get the colonoscopy
Several who had one say the prep is the worst part, the procedure is low-risk, and removing polyps actively prevents cancer.

Consensus: Most agree the single-year rise is hard to attribute to any cause yet, and that colonoscopy screening is worthwhile despite the unpleasant prep.

Summarised by Claude from the comment thread 1 day ago.

Points: 48
Comments: 79
Best rank: #3
Posted: 2026-10-28 by randycupertino
Category: Health

colorectal-cancer cancer-screening epidemiology birth-cohort-effect nejm-evidence uchicago-medicine

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