Doctors are now sounding the alarm over a sharply rising - and unnervingly under-the-radar - type of cancer.
This type of cancer is very rare. Credit: SCIEPRO/SCIENCE PHOTO LIBRARY / Getty
The type of cancer is appendiceal adenocarcinoma, a rare but increasingly common form of appendix cancer that’s striking millennials and Generation X at an unprecedented rate.
This cancer begins with a malignant tumor in the lining of your appendix, releasing mucus-like substances known as mucin, as reported by the Independent.
Historically, doctors considered the appendix largely vestigial - just a small tube in the gut prone to blockages.
But that perception is changing fast. Diagnosis often happens incidentally or at advanced stages since early symptoms - abdominal pain, bloating, changes in bowel habits - usually resemble harmless digestive issues like food poisoning or case of appendicitis, per Huff Post.
In a bombshell study published in Annals of Internal Medicine, researchers analyzed data on 4,858 adults aged 20 and older diagnosed with appendiceal cancer between 1975 and 2019.
They grouped patients in five‑year birth cohorts, creating a striking picture of generational risk.
The appendix cancer appears to be targeting millenials. Credit: SEBASTIAN KAULITZKI/SCIENCE PHOTO LIBRARY / Getty
Compared with those born around 1945, diagnoses more than tripled for people born around 1980 and “astonishingly quadrupled” for the 1985 cohort. And this dramatic increase wasn’t uniform - some cancer subtypes tracked worse than others.
Experts are pointing fingers at environmental exposures, lifestyle shifts, diet, altered gut microbes, and the rise in gastrointestinal disorders since World War II.
The same study cautioned: “Similar trends have been reported for other gastrointestinal cancers, suggestive of potential shared cause contributing to this increasing cancer burden across generations.”
Over in the UK, doctors describe a heartbreaking case where appendiceal mucus buildup led to pseudomyxoma peritonei, causing devastating organ removal, and stories like this are no longer unheard of.
Meanwhile in the U.S., thyroid cancer incidents are still bizarrely rare - just 3,000 cases annually, but death is not a stranger: actor Adan Canto died from the condition at only 42.
Despite its rarity, the outlook isn’t all doom and gloom - survival rates sit between 67% and 97% at five years post-diagnosis.
But early detection is key: treatment usually involves surgery to remove the appendix, and chemotherapy if spread occurs.
Researchers stress that the rise isn’t simply due to better diagnostics.
Instead, they write: “A birth cohort effect corresponds to population shifts in environmental exposures that may increase risk for generations now entering mid-adulthood.”
They highlight obesity, diet, alcohol, tobacco, and genetic interactions - well-known colon cancer risks now apparently applying to this once-obscure cousin.
What does this mean for you?
Experts are demanding updated screening guidelines, early detection biomarkers, and deeper genomic research.
Meanwhile, anyone in their 30s or 40s experiencing persistent digestive discomfort shouldn’t brush it off as just life stressors or food issues.