Hi all, Stefan wrote: > Cooked foods cause aerobic digestion where the bacteria in your gut > need the oxygen you swallow. Nonaerobic digestion gives room only for > those bacteria which do not need oxygen. It costs much less energy. There's no need to swallow oxygen... The intestinal flora of a healthy individual normally consists of 90-99% anaerobic bacteria (Eubacterium, Bacteroides, Fusobacterium, Coprococcus etc.) and only the rest are (facultative) aerobic species such as E. coli, other Enterobacteria, Enterococcus.. The microbes are distributed within the lumen of the gut due to their needs. Anaerobic ones will be found in the middle of the lumen where oxygen is low, aerobic ones can only live near the intestinal wall where they are supplied with oxygen from blood circulation. Best regards, Sylvia