May 26, 2026
Gut feelings, bad vibes
Is "colorectal cancer" rising in "young people"?
The scary part isn’t just colon cancer — commenters say young people may be getting hit harder across the board
TLDR: The article says colon and rectal cancer really is rising in younger people, but the reasons are still frustratingly unclear. In the comments, readers split between praising the careful data breakdown, worrying that more cancers may be rising overall, and freaking out about colonoscopy risks.
The article starts with a very simple but unsettling question: is colon and rectal cancer really rising in younger people? The answer is basically yes — but not in the neat, viral-headline way people keep saying it. The writer tears through the usual suspects: junk food, bad sleep, obesity, processed meat, microplastics, antibiotics, the gut microbiome, even mom’s health during pregnancy. Plot twist: the community was far more interested in how messy and confusing the data is than in pinning the blame on one cartoon villain ingredient.
That’s where the comment section got spicy. One reader praised the post as a rare piece of actually competent medical writing in a sea of wellness nonsense, practically giving it a standing ovation for fixing bad charts and ending with a clean TL;DR. Another jumped in with the thread’s most ominous twist: this may not just be a “young people colon cancer” story at all, but a “so is all other cancers!” story — which is the kind of sentence that can ruin your lunch break.
And then, because this is the internet, the vibes swerved. One commenter joked, “Maybe they’re all running too many marathons,” which is exactly the kind of dark-health humor people deploy when the topic gets too grim. Others brought genuine fear: one person said a relative had a botched colonoscopy, then pointed to celebrity cases and basically turned the comments into a mini panic about whether screening is safe. Add in a shoutout to Simpson’s paradox — the statistical version of “it depends how you slice it” — and the whole thread became a mix of dread, nerdy chart battles, and gallows humor.
Key Points
- •The article reviews multiple proposed explanations for rising colorectal cancer in younger people, including metabolic health, diet, microbiome changes, environmental exposures, maternal health, and other risk factors.
- •It argues that most single-cause explanations are weak or incomplete when examined individually.
- •The article states that detection bias alone cannot explain the trend because colorectal cancer deaths are also increasing among younger people.
- •Some proposed causes are described as biologically plausible but unsupported as explanations for the time trend, while others are said to remain largely speculative.
- •The article emphasizes that interpreting CRC as rising in “young people” depends on how age groups are defined and compared over time, citing studies by Siegel et al. (2026) and Downham et al. (2026).