Eating more foods with a certain chemical called NDMA might raise your chances of getting colon or rectal cancer by 12% if you're an adult.

Pro

Against

Evidence from Studies

Supporting (1)

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Endogenous Formation of N-Nitrosodimethylamine (NDMA) from Dietary Nitrite and Nitrate Intake and Its Association with Cancer Risk.

Cohort Study

Human

2026 Jun

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Endogenous Formation of N-Nitrosodimethylamine (NDMA) from Dietary Nitrite and Nitrate Intake and Its Association with Cancer Risk.

Score: 44

DOI: 10.1016/j.fct.2026.116032

Similar Assertions

Eating more of a chemical called NDMA might raise your chances of getting colon cancer, according to a long-term study of Finnish people.

87%

Eating a lot of a chemical called NDMA in food might raise your chance of getting stomach cancer by about one-third, based on a big review of studies.

81%

Eating more foods with certain chemicals called nitrites and nitrates might slightly raise your chance of getting cancer later in life, according to a big study that followed people for 12 years.

79%

When someone is overweight and exposed to a lot of NDMA (a chemical found in some foods and water), their chance of getting cancer goes up more and more as the exposure increases.

77%

The way people report how much fiber they eat affects whether studies find a link between fiber and colorectal cancer. When people use food diaries, a protective link is seen; when they use questionnaires, no significant link is found.

72%