Curing diseases is all fine and dandy, but that leaves us in the compromising position of suffering new age-onset diseases that are in our genes that previously we never lived long enough to experience. Fine, we can use gene therapy to get rid of these diseases too. Because if we don't, we are ringing our own death nell. We can treat those unfortunate enough to suffer genetic diseases, so they are able to live as long as anyone else (mostly), and have children, who may well inherit it. Without natural selection keeping the frequency of such genes in check, we may find ourselves utterly dependant on our healthcare just to survive on a daily basis. Then, should civilisation end, which is disturbingly likely given the recent popularity of the Republicans, we won't survive the first winter. If we are to cure our siseases and disorders; and let's face it, that's what we will continue to do; then we need to cure those hidden within us as well, despite what some people say, stem cell research is an important part of this.
Then we must also at least make some attempts to stem the flow of Earth's lifeblood from the human race-shaped wound in her side. We are inherantly selfish, in that anything we can do to survive and be comfortable, we will do. That is how we, and all other species, evolved, but unfortunately Nature drew the ol' Go Straight To Jail card, and became lumbered with us. Whoops. And if we are going to live longer lives, then we will have to fix the world. Before the wound heals on its own and we are eradicated by the planet itself.
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