Long-term intake of dietary fat and risk of ulcerative colitis and Crohn's disease.

[kiny]

Study found no association between fat intake and risk of crohn's disease in 170 000 women. Nor saturated, unsaturated or PUFA.

 

[kiny]

You can find a number of studies that agree with this, and a number of studies that say the exact opposite.

They're all based on questionnaires, all with wide ranging CI, some with extremely small groups, some with big groups.