Gene therapy supposedly has the promise of, besides curing diseases, regrowing hair for people with baldness, or missing teeth, restoring skin to a youthful state, perhaps restoring a body to youth in every way imaginable. But after being restored, the body will continue aging from that point, so these treatments will have to be reperformed periodically.
As long as we have the technology to sustain life indefinitely in space, we could maybe use gene therapy to extend life indefinitely for those who set out to colonize new worlds. Maybe that will make room hear on Earth. But if this
fountain of youth is only available to the wealthy, humanity may become similar to a colony of bees...
