>There's a bunch of stuff you do that you don't need to do that carries more risk than anaesthetic. I don't have any evidence for this but I suspect that the m

>There's a bunch of stuff you do that you don't need to do that carries more risk than anaesthetic. I don't have any evidence for this but I suspect that the majority of brain injuries in otherwise healthy people come from trauma due to accidents. If my suspicion is true then wearing a helmet all the time might be the most effective way to avoid brain injury.