Question: Do you think that we will ever find out how to bring people back to life?

Yo Yehudi answered on 8 Nov 2017:

It might be possible! We already can do that, sometimes – that’s basically what resuscitation is. You’ve probably seen it on tv hospital dramas, where they get two electrodes, put them on someone’s chest and yell “CLEAR!” This helps get their heart going when it may have stopped beating properly. This sort of treatment is only useful for a few minutes after the heart is stopped, though – and I’m guessing you’re thinking maybe people who’ve been dead for longer?
There are a few problems – for example, your body will begin to decay once you’ve died, so even if you get revived there might be problems if your hand is trying to rot off! In addition, why did you die in the first place? It was probably for a good reason – something like an illness or an injury. If we brought you back to life we’d have to fix that injury or you’d probably just die again.
I’ve heard that there are some people who arrange to get their body frozen – or maybe just their head – so that if someone ever figures out how to fix what is wrong with them, they can be revived some day. I’m not sure how common that is, but it’s a pretty cool idea.