My wife's family has a different disease running through it, though one with very similar outcomes. Huntington's. It's genetic and dominant (so a parent having it means 50/50 for the children). Average age of onset is 38. Symptoms are a mixture of Alzheimer's and Parkinson's (both dementia and motor control issues). Her uncle was diagnosed at 38, her mother at 50. I wasn't around for the first one, but have been ther…
Yeah the only end of it is gonna be when people with such diseases stop having children, but just pointing out such an obvious solution generates all kinds of scorn from the people you are talking to, they seem to immediately think of "eugenics" and every other bad word and imagine you running a concentration camp... and not just people voluntarily using birth control to avoid the suffering of their own offspring tha…
Embryo selection will still be hugely controversial, of course, but we have to overcome any reflex to ban the technique. Human genetic engineering is a technology that will profoundly reduce human suffering, and every year we delay it is pure misery.