I’m not even talking about the food, more the bacteria from the environment on the food, in some places still today even the water isn’t safe to drink. You can

I’m not even talking about the food, more the bacteria from the environment on the food, in some places still today even the water isn’t safe to drink. You can easily have food in a developing country that makes you sick. These simply aren’t past problems and it makes sense the body mounts defences just in case!