For MCP‐1, we detected an association with IBD using Immunochip summary statistics such that the ORs of disease per normalized SD change in MCP‐1 was 0.87 (95% CI: 0.79‐0.95; P = 0.003) (Figures 3 and 4A, Supporting Information Table S18). Here, CCL2 is linked to inflammatory bowel disease.