Everyone I'm aware of adapts to it eventually unless they keep trying to power through the nausea. It's the basis for my
...which sets back the whole "Convince your stupid brain that the minor mismatches between the visuals and the inner-ear sensations are not the result of poisoning, so it doesn't need to make you puke your toenails off" training that you're doing...
statement. Having said that, I haven't met everyone... so it's possible that there are people who will never adapt.