“…some gut bacteria, in certain states, produce imidazole propionate, a simple molecule…” “This compound enters the blood, interacts with immature white blood cells, and triggers an inflammatory reaction in the arteries, which promotes the buildup of fatty plaques.” https://english.elpais.com/health/2025-07-17/revolution-in-medicine-a-molecule-produced-by-gut-bacteria-causes-atherosclerosis-responsible-for-millions-of-deaths.html?outputType=amp