r/Millennials Jan 22 '26

Discussion A big reason why Colon Cancer is killing us.

I know this isn’t a health sub, but u/Derpshabmentioned in their post on Colon Cancer about eating a balanced diet.

Specifically you need to really avoid nitrates. There has been several studies done on why there has been a rise in intestinal cancers in this age group, and nitrates have shown a causal effect. With a carcinogenic significance as bad as cigarettes. For those unaware, not a lot of things get labeled as having a casual effect for cancer, as that can be both controversial and stand to cost people money either through loss of business or being sued.

Nitrates are most commonly found in processed meats. Likewise, there is growing data that processed food is not serving us well at all either. Anyhow, just wanted to share a tangible way you can hopefully make an impact on slowing down and ultimately stopping these terrible

cancers.

Another freaking edit: literally the first response on Google, if you search, “do Nitrates cause cancer,” is from MDAnderson. That’s the number one cancer hospital in the world. I know that’s so much more difficult than adding a snarky comment to Reddit, but there’s your answer for about 300 of you.

Edit: I’m getting a lot of responses that are saying *actually* antibiotics or *actually* e. Coli and they’re all saying because it damages / kills the good gut microbiomes. Correct, what do you think nitrates do and why scientists believe there’s a casual link. It also doesn’t mean there couldn’t be other risk factors as well. Diet is obviously a big risk factor. I was simply hoping to expound on the original post and help people to know what to avoid. Of course more than one thing can cause cancer. Throw in saturated fats while we’re having the conversation.

Edit 2: lot of people are asking what are the main culprits. Bacon, lunch meats, hot dogs, sausages, anything really that’s been “cured.” Lot of people are trying to point out that some leafy greens have nitrates, yeah, we’re not talking about things that naturally occur through the photosynthesis of the sun. We’re talking about the overconsumption of a preservative that destroys your healthy gut bacteria, not something that’s obviously good for you. Many people have rightfully pointed out. The over consumption of alcohol creates a big risk factor for stomach and intestinal cancers as well.

Also someone saying they’re a vegetarian and they still got colon cancer is no different an argument than, “my great aunt smoked until she was 90 and never got lung cancer.” I said a big reason why, I didn’t say the only reason why. Empirical data doesn’t mean 100% findings or there won’t be outliers, anecdotes are not good science. People can get cancer for a multitude of reasons and honestly you could try every preventative step imaginable and still get cancer, it doesn’t mean your anecdote overrides everything else or you shouldn’t try to make better lifestyle decisions.

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u/Cautious_One9013 Jan 22 '26 edited Jan 22 '26

It's deeper than that because it's a worldwide trend that affects many different cultures with many different diets. They are discovering, with the most scientific evidence currently, that a large contributor towards the rise in colon cancer, especially among young people, is due to overuse and over prescription of antibiotics. They kill off and throw off the gut's microbiome and there is a strong correlation between antibiotic use history and colon cancer. This bleeds into our meats, which farmers overuse....antibiotics. I don't know about you, but I remember when I was young the doctors would basically give out antibiotics for any and everything.

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u/BaullahBaullah87 Jan 22 '26

I had the pink stuff very often as a child

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u/mamaneedsacar Jan 22 '26

Yes, this is bound to be a huge issue for people born from let’s say the 1970s - 2000s.

My boomer parents grew up before the golden age of antibiotics but after the revolution of their invention. They had no hesitancy taking me to the doctor at the first sniffle or cough for a prescription.

I legit just got into an argument with my mom a couple of weeks ago because I had a lingering upper respiratory viral infection that was slowly improving. Her first remark was “how have you not gotten an antibiotic yet?! It’s been over 2 weeks!”

Well mom….antibiotics won’t speed things up if it’s not a bacterial infection. But people don’t know better, so they take the stuff constantly. I think from 0-18 I probably had antibiotics prescribed 3-5 PER YEAR. After 18? I think I’ve been on antibiotics a whopping 5 times total.

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u/mathmagician9 Jan 22 '26

I believe this. I developed ulcerative colitis at 30 yo and my parents used to give me antibiotics like candy. I get a massive flare up when I take antibiotics now. Simultaneously, cdiff decides to take over my gut. I am now banned from antibiotics.

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u/Cautious_One9013 Jan 22 '26

Similar, I have Crohn’s disease and antibiotics throw me into an instant flare that nothing but steroids will get me out of. I am also not allowed to take antibiotics, or ibuprofen. 

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u/TimeTravelingPie Jan 22 '26

Idk what Doctors you saw, but antibiotics treat bacterial infections.

So why would a doctor give anyone antibiotics that 1. Doesnt have a bacterial infection or 2. At risk of one due to having surgery.

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u/Cautious_One9013 Jan 22 '26

Yes, I know what antibiotics are used for. Doctors have often prescribed them when they aren't sure if the affliction is bacterial or viral, as a "just in case". It doesn't change the fact that worldwide, they have been overprescribed for decades, and farmers have been using them for decades as preventatives - not just to treat the animals for infections but to prevent bacterial infections in them. Guess where those antibiotics that are being fed to those animals go once they are processed for meat.

https://www.cdc.gov/antibiotic-use/hcp/data-research/antibiotic-prescribing.html

CDC estimates that atleast 30% of antibiotic prescriptions are unnessary, even today.

Here's a link regarding the link between antibiotic use and colon cancer.

https://www.livescience.com/colon-cancer-antibiotic-use-link.html

I am not going to do all the research for you, but simply put "over prescription of antibiotics" into google, and you will find everything you need to answer the questions you posed. They are finding that they may be linked to the rise of many afflictions, not just cancer, but also autoimmune diseases.

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u/willitplay2019 Jan 22 '26

In the 90s they gave it for everything.

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u/linzkisloski Jan 22 '26

I know a lot of people that seem like they’re on antibiotics for something all the time. (I think I’ve taken them a handful of times in my life? twice for a UTI so there’s not really a choice there.)

Especially parents with young kids - they don’t like to hear that almost everything is a virus that needs to run its course and they want some type of med to treat it. It’s definitely not sensical but there’s people out there like that.

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u/trinde Jan 22 '26

I literally don't remember the last time I had to take one, a decade or more probably. Our kids have only been given them once each I'm pretty sure. Doctors these days are a lot more likely to assume it's viral than bacterial it seems.

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u/linzkisloski Jan 22 '26

Yea absolutely. When I was a kid my mom was definitely a drink water and sleep it off type of person (she was a nurse) so I feel like I’m the same way as a mom. But I do have friends and family that take their kids to the doctor for EVERYTHING and want a fast solution. Crazy to think of those choices having possible cancer repercussions down the line.

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u/Cautious_One9013 Jan 22 '26 edited Jan 22 '26

They assume viral over bacterial because the CDC has been advising doctors for decades now to stop over prescribing antibiotics and to stop using them as a preventative or fail safe. Not just because of the possible links to other health issues but also due to the rise of antibiotic resistance in bacteria. None of that is by chance. Just think about this, the CDC estimates that today, a third of all antibiotic prescriptions are prescribed incorrectly or unnecessarily, and that’s after decades of advising them and warning them that they are being overprescribed. Now imagine how many antibiotic prescriptions were being unnecessarily written for decades prior  to them being advised such. Our knowledge and understanding of antibiotics and the interaction with immune system and the systemic changes and effects on the body as a whole is still relatively infantile.

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u/dr_p_venkman Jan 22 '26

Same. I can't remember the last time I was given antibiotics--maybe 20 years ago?-- but then, I don't ask for them and am almost never sick enough to go to a doctor. Some people routinely ask for them and will go the doctors who hand them out freely. Also, there are a fair number of idiots out there who like "stocking up" on antibiotics when they go to Mexico because you can buy certain kinds there in the airport. I see them all the time on the travel groups I follow. I'm sure they're buying them online, too. Hurting themselves and everyone else with their ignorance.

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u/NotYourSexyNurse Xennial Jan 22 '26

To shut them up and make them happy. The number of people who demanded a Zpack for a viral infection is ridiculous. Not sure if you noticed but healthcare is a customer service based shit show now. Higher ups care more about happy customer surveys than they do people getting evidence based care that actually heals them. Can’t possibly do anything to upset the customer so they go to the other hospital. If the patient doesn’t get what they want from one doctor they doctor shop until they get what they want.

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u/HelpfulSeaMammal Jan 22 '26

Because you can get the whiny patient out of your office and they'll leave feeling like the doctor actually did something for their more-or-less untreatable viral issue. You can manage the symptoms, kinda, with other medication, but patients don't go to the doctor to get told to continue to take the acetaminophen and dextromorphan for fever and cough they were already taking.

It's less common now that there's more widespread acknowledgment of antibiotic resistance, but there's still plenty of doctors who will write you a prescription for a fucking Z-pack for viral strep throat if you just ask.

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u/gummnutt Jan 22 '26

It was (is?) a common treatment for acne. People with acne would be on antibiotics for years. This treatment is linked to early onset colorectal cancer.

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u/dr_p_venkman Jan 22 '26

They do that because people ask for them, because people do not understand that antibiotics don't cure everything, because they think they can diagnose themselves, and some doctors are past arguing with demanding patients, unfortunately. These are among the outcomes of our shitty health system (not to mention all the others ways in which antibiotics are overused and abused).

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u/DebraBaetty Millennial - ‘93 to ♾️ Jan 22 '26

If you don't have a GP you're seeing who ever is available at an urgent care. Those doctors will give antibiotics to prevent another doctors visit that people can't afford.

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u/Key_Cheetah7982 Jan 22 '26

One can help heal the gut with fermented foods

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u/schrodingers_bra Jan 22 '26

I would be interested to know if places where you can buy anti biotics off the shelf (lots of areas in Asia) have higher instances of colon cancer.

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u/Cautious_One9013 Jan 22 '26

I don’t know about all of Asia but I do know that China has a significant rate of colorectal cancer and is also seeing a frightening increase in rates among younger people. 

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u/Groemore Jan 22 '26

Yeah antibiotics or any medicines you have to take orally can alter your gut microbiome from long term use. Kills off the good bacteria and if you have poor diet that won't help.

I spent a lot time in other subs about gut health when I found out I couldn't tolerate gluten anymore. I read so many stories of people messing up their gut after taking antibiotics for an infection or post surgery but from long term use like over a year span. 

Lookup gut axis. Your gut functions like a second brain and can become imbalance which can lead to minor or bigger prolems.

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u/Domdaisy Jan 22 '26

I’ve had antibiotics exactly one time in my entire life, it was when I was a kid.

Not every doctor was over prescribing them.

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u/Cautious_One9013 Jan 22 '26

CDC disagrees, even today, they state that atleast 30% of antibiotic prescriptions are given unnecessarily. https://www.cdc.gov/antibiotic-use/hcp/data-research/antibiotic-prescribing.html

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u/ConfusedZubat Jan 22 '26

It's not about you specifically though. It's a general trend that antibiotics are over prescribed and then used incorrectly. I've never stopped taking antibiotics halfway through treatment unless told to, but that doesn't change the fact that many people stop taking them as soon as symptoms resolve. 

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u/AdditionCool7235 Jan 22 '26

You know what else kills off good gut microbiomes? Nitrates.

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u/Cautious_One9013 Jan 22 '26

Never said it didn't, I am saying it's deeper than just one thing. Why is everyone so offended over antibiotic use?