PART II: What Kind of Food Should I Eat?
RULE #33 - Eat some foods that have been predigested by bacteria or fungi.
Many traditional cultures swear by the health benefits of fermented foods - foods that have been transformed by live microorganisms, such as yogurt, sauerkraut, soy sauce, kimchi, and sourdough bread. These foods can be a good source of Vitamin B12, an essential nutrient you can't get from plants. (B12 is produced by animals and bacteria). Many fermented foods also contain probiotics - beneficial bacteria that research suggests improve the function of the digestive and immune systems and, according to some studies, help reduce allergic reactions and inflammation.
"Eat food. Not too much. Mostly plants."