SAA1 and inflammatory bowel disease: In a prospective observational study involving 64 volunteers, it was found that the acute phase protein C reaction protein, LPS‐binding protein, serum amyloid A1, and orosomucoid 1 in overweight/obese IBD patients were significantly lower than ordinary IBD patients, and overweight/obesity could further promote the microbial diversity of UC, as indicated by the increased abundance of some probiotics, including P. distasonis, Alistipes indistinctus, and Ruminococcus bromii.115