The Study
Dietary Nitrosamines from Processed Meat Intake as Drivers of the Fecal Excretion of Nitrosocompounds
This study is like taking a single photo of what people eat and what's in their poop. It shows that people who ate more processed meats had different stuff in their poop, but it can't prove the meat caused the changes because we only saw one moment in time.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
Eating processed meats like bacon and sausage is tied to more harmful chemicals in poop, which are higher in people with worse gut damage.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 528 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes, the differences are statistically significant and suggest a meaningful increase in harmful chemicals with higher meat intake and disease severity.
- 2People eating over 50g of processed meat daily had 12.78 pmol/mg of total NOCs vs.
- 37.39 in lower consumers; those with cancer had 20.69 pmol/mg vs.
- 46.50 in healthy people.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Journal of Agricultural and Food Chemistry
Year
2024
Authors
Sergio Ruiz-Saavedra, Tuulia K Pietilä, A. Zapico, C. G. de los Reyes-Gavilán, A. Pajari, Sonia González
Related Content
Claims (6)
When you eat processed meats like bacon or hot dogs, chemicals in them can turn into harmful substances in your stomach that can damage your DNA and might cause cancer.
Eating a lot of processed meat every day might lead to higher levels of certain chemicals in poop for people with bowel issues, which could be a sign of potential health risks.
When there's more damage in the gut, poop has higher levels of certain chemicals, and this goes up as the damage gets worse, like from healthy people to cancer patients.
Eating certain chemicals found in some foods might increase harmful compounds in the gut of people with colon issues, but we're not sure if this happens for all types of colon problems because there weren't enough people studied.
Eating processed meats like bacon or sausage is linked to higher levels of certain chemicals in poop that might be harmful, especially in people with gut issues.
When people have damage in their gut lining, higher levels of certain chemicals in their poop are linked to more DNA-damaging potential, meaning these chemicals might increase cancer risk.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.