Very much so. It is a bit disingenuous to imagine sustained life in space when we can barely live sustainably on the overwhelming majority of the surface of Ea

Very much so. It is a bit disingenuous to imagine sustained life in space when we can barely live sustainably on the overwhelming majority of the surface of Earth. At least on Earth, we don't encounter the physical limitations that our bodies have when exposed to zero gravity, like loss of bone and muscle.