Rising rates of colorectal cancer found in nearly all age groups
randycupertino
55 points
94 comments
October 28, 2026
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Discussion Highlights (16 comments)
randycupertino
Study shows US colorectal cancer rates are rising again in almost all age groups after 20+ years of decline. NEJM Evidence study finds rates climbing in every age group even when screening is high.
Madmallard
U.S. is runaway corruption So it's not really a surprise our food and drink quality and safety would suffer alongside that It's probably going to get worse
qliqo
Just a random thought, but has there been any research into dishwasher tablets/cleaning agents used in dishwashers? People are ingesting that, everywhere, all of the time
im3w1l
The most striking thing in that data for me is how low India is.
zetazzed
Important context in the article: "The data showed that the age-adjusted incidence rate fell from 55.2 per 100,000 in 2000 to 36.7 in 2022, then rose to 38.3 in 2023." If you would like to advance a theory that this is because of a specific environmental change, your theory should cope with the fact that the rate was MUCH higher in 2000 and the rise described here is is 2023. Increased screening is said to be a likely culprit in this case for middle-aged adult prevalence but not for older adult prevalence, because screening has increased somewhat in the middle aged groups. I am personally dealing with colon cancer, and one of the incredibly annoying things about the awful disease is the number of truly clueless people who use it to advance some culinary agenda they believe in without evidence.
redanddead
It’s the food This isn’t some mystery, this isn’t happening in a vacuum. There are correlated trends like rising profits of the food industry, food becoming plasticized. Everyone’s fat now
mbones
Only 5% of American adults meet the U.S. daily RDAs for fiber.
solfox
I don't buy their explaining away the effects of COVID by excluding 2020-2021. It was incredibly difficult to access routine medical care (especially colonoscopies!) during COVID. A post-COVID bump should be expected in the 1-2 years after normalization of medical care, when many people had previously skipped screenings. Let's see if the rise continues in 2024+ before drawing any conclusions.
ORDINAND_PIZZA
just get the colonoscopy, it's really not that bad. if ya haven't had one yet, i wrote this for u (30 second read of my experience): https://mfelix.org/stories/just-get-the-colonoscopy
Aurornis
Colorectal cancer rates are increasing globally, but the data in the older groups needs to take into account changes in screening ages > The authors saw the sharpest increase in incidence rates among the 45-49-year-old age group, with an increase of 12.76% annually from 2019-2023. They said that this increase is likely driven by more people undergoing colorectal cancer screening after national recommendations lowered the age to begin screening from 50 to 45. So the rates for 45-50 year olds can’t be directly compared in the US. The strange part about the change in colorectal cancer rates around the world is that it’s showing a large increase in much younger people. I’ve read some studies where the sampled time period showed cancer rates declining for elderly people while they increased for very young people.
ortusdux
How are screening methods these days? As I understand it, colonoscopies care a small risk, which tends to cause doctors to not recommend them for fully asymptomatic individuals.
Aboutplants
I’m starting to be convinced it’s due to 100 different reasons, but each of those reasons is due to people doing things the extreme. Eating too much processed food? There are studies showing an increase in risk. Sit too much every day? Ditto. Long distance running? When taken to the extreme it increases colon cancer risk (recent research) A measured, balanced lifestyle regarding your activity and habits is the best thing you can do to put yourself in a good position to avoid diseases or health complications. My doctor’s favorite phrase :“Here is your prescription - Eat a little better and move around a little bit. You’ll outlive your enemies”
wonder_er
i bet it'll end up that eating animal flesh or drinking their secretions messes with the body quickly, compared to eating the plant proteins directly. "milk" is a cow eating soy and grain, intended for a baby cow, but it's mostly made out of the same plant that the cow ate. "meat" is cooked animal muscle that has been built more slowly than milk, but is also built out of the plants ingested by that baby animal. virtually all 'meat' is made out of animals that could be easily considered to be babies of that kind of animal. :( anyway, that doing bad things like this is bad for everyone who does it is not surprising.
durpleDrank
Baseless conspiracy theory; its because we are keeping our phones in our pockets and worse, holding game controllers etc near that area.
PaulKeeble
One key aspect that most people don't seem to be aware of is that there has been a lot of research in the cancer causing impacts of Covid infections. Its been implicated and mechanistically shown to cause a number of cancers and Covid hangs around in the gut for years/potentially ever we aren't yet sure in some people and it acts like a phage. As a phage it infects certain bacteria in our gut and drastically changes the microbiome, pushing it towards colonies of bacteria that are implicated in colon cancer. The scientific evidence isn't there yet for colorectal cancer but its being investigated in studies at the moment and we are expecting a mass disabling event due to Covid and Long Covid and a big increase in a variety of conditions including cancer. Its one of the most studied viruses in human history and it does a lot of bad stuff and most people are catching 1.5 times a year.
brador
Some of these conspiracy theories you’re all coming up with are too whack even for me. Video game controllers near groins? Really? Come on.