 It does change, you know, obviously bone loss, muscle loss. We can see, you know, these changes in the body where even calcium coming out in the urine, you can see as the body's trying to rebuild muscle and bone, but it still gets lost even with working out almost every day. And so, you know, this is, you know, one of the biggest challenges is that even with a little bit of gravity, we'll still expect to see some bone loss, like on the moon, maybe one sixth gravity or 38% on Mars. But we do expect that this will still be,