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For anyone wondering about the connection between your digestive tract and immune system, note that while we commonly associate the immune system with the blood

For anyone wondering about the connection between your digestive tract and immune system, note that while we commonly associate the immune system with the blood, the majority (by mass) of your immune system tissue is actually associated with and focused on defending your digestive tract (from bad things you may have eaten).

jasikpark 10y ago
Which makes sense, seeing as how well connected they are.
dogma1138 10y ago
It's not just from bad things it's from all things the amount of bacteria in most foods is enormous.