Industrial seed oils such as soybean and canola oil increase chronic inflammation and disease risk in humans.

Is it true that Industrial seed oils such as soybean and canola oil increase chronic inflammation and disease risk in humans?

Unclear. Several sources lean against the claim: a Cleveland Clinic explainer says seed oils do not themselves cause chronic conditions, a Wikipedia overview reports scientific evidence finds them safe with no consistent evidence of increased inflammation or chronic disease, and a meta-analysis of PUFA trials found little effect on long-term inflammatory status. However, these are partial and indirect, addressing omega-6 or PUFA rather than seed oils as such, and no item directly settles the claim.

Verdict: PARTIAL LEAN · 0 sources for, 4 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Are Seed Oils Bad for You?. (n.d.). health.clevelandclinic.org. https://health.clevelandclinic.org/seed-oils-are-they-actually-toxic

K, L. & K, K. (2025). Are Seed Oils the Culprit in Cardiometabolic and Chronic Diseases? A Narrative Review.. doi.org. https://doi.org/10.1093/nutrit/nuae205

SM, A., G, T., A, A., & L, H. (2021). Long-term effects of increasing omega-3, omega-6 and total polyunsaturated fats on inflammatory bowel disease and markers of inflammation: a systematic review and meta-analysis of randomized controlled trials.. doi.org. https://doi.org/10.1007/s00394-020-02413-y

Seed oil misinformation. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Seed_oil_misinformation