Genetically Modified humans that never age would be amazing. But think about it. Humans that dont age!. most old people that u see around u are generally nice to u. that is because they know they r not going to be around forever. they start to think about what happens after death and even nonbelivers will believe in god. so they think that being nice would get them a ticket to heaven. this is why many people are nice. But a world without natural death would mean no consequences for our action.therefore people wont care about others or others feelings. so i really hope if that happens, the government should ban it.