Some bacteria turn into bad bacteria.

Well, because of us, because we're doing something.

And this is a rather like new finding too, because we now have all these great ways to analyze bacteria sitting on all kinds of surfaces of the human host.

And we see that, hey, Actually, quite a few people have throat soreness causing bacteria or diarrheal bacteria or some other bacteria that aren't supposed to be good, but they're not doing anything.

They're just hanging around.

And so now we understand a bit better that sometimes if bacteria are, you know, part of a good community, they're not being attacked by the immune cells or by stress reactions in our body, they won't unpack all of their properties and all of their maybe disease-causing factors.

And they will just, you know, go with the flow and be a bit milder version of themselves.

Chapter three, the skin, how wounds teach us to heal.