Sounds like our worlds aren't totally dissimilar where the healing abilities are concerned. Still hurts like hell to take the hits, but the body takes it and deals with the damage a whole lot faster than regular humans.
Is it wrong that I'm a little intrigued that fingers can be reattached - something I should never tell Stiles... As for the DNA angle, ouch, nope! All mine.
You and Cora have lived your whole lives this way, so in some things I'll totally defer to your experiences.