People who have more nitrate and nitrite in their saliva seem to be less likely to get stomach cancer.

20

Pro

0

Against

Evidence from Studies

Supporting (1)

20

Community contributions welcome

20

Nitrates, nitrites and gastric cancer in Great Britain

Cross-Sectional Study

Human

1985 Feb 21-27

The study found that people with lower risk of stomach cancer had more nitrate and nitrite in their saliva, which matches the claim exactly.

Contradicting (0)

0

Community contributions welcome

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

Nitrates, nitrites and gastric cancer in Great Britain

Score: 20

DOI: 10.1038/313620A0

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Eating nitrate-rich foods might seem to protect against stomach cancer, but it's probably not the nitrates themselves. When researchers accounted for vitamins and other healthy stuff in vegetables, the protection disappeared—so the real benefit likely comes from other nutrients in those foods.

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