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skillywilly56 t1_j5hrpbv wrote

Reply to comment by Wallabills in How our microbiome is shaped by family, friends, and even neighbors. Study of the gut and mouth microbiomes of thousands of people from around the world raises the possibility that diseases linked to microbiome dysfunction, including cancer, diabetes, and obesity, could be partly transmissible. by MistWeaver80

Food is less of a vector of transmission, cause we cook it which kills the bacteria.

The nutrients provided by the food can accelerate the growth of bacteria, so foods high in fiber provide a substrate for bacteria to grow on, get the right kind of fiber and you can get the beneficial bacteria to grow faster and out pace the non beneficial bacteria.

Unless of course you’re eating all your food raw only certain foods which aren’t cooked like lettuce, would contain surface bacteria at very low concentrations.

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