APOE and atherosclerosis: As flaxseed oil exhibited anti-atherosclerosis action on TMAO-induced ApoE−/− mice (57), the acetic acid in feces was positively correlated with Alistipes, Bifidobacterium, Odoribacter, Parasutterella, and norank Bacteroidales S24-7, and negatively correlated with seven bacteria (Blautia, Clostridium_sensu_stricto_1, Lactococcus, Romboutsia, Roseburia, etc.).