[sofixa]

> The reasoning went like this: We've spent most of our evolution in caves digging in dirt, and now (relatively) recently we have been transported into an environment where we can pretty much have the cleanest settings. What do you think this will do to our immune system?

The same it did to our infant and maternal mortality, make it lower?

[mixermachine]

Less protection then? Yes. So when something hits you later on, the system is not trained for it.

It's not about throwing infants in a dunghill first thing after birth and let nature take its course. It's about gradual exposure when the system can slowly get used to it.