There are still many human ailments that elude a cure, but for which there are already glimmers of hope -- blindness, deafness, dementia, Alzheimer's, multiple sclerosis, paralysis, AIDS, cancer, Ebola, -- the list only grows. The latest news item I read was about a man paralysed from the neck down, who has regained movement in his upper body thanks to stem cell therapy.
After all, I waited a few years and tracked the progress of two friends before I committed my eyes to laser surgery. I took a risk all right, but not an irresponsible one, and I haven't regretted it for a moment. Why would people not opt to gain these virtual super-powers for a modest financial outlay?