With just 2-3 seasons more of 20+ ppg dude would pass Kareem as well, from all the looks of it unless something major happens like a big bad injury,
Lebron still has the game, he will surely play a lot of seasons with the Lakers now that the Lakers has become a playoff contender.
Also, his style of play has been different now, he wasn't as aggressive as before, he master his passing ability so that means he will not be so prone to injury.
Yeah, he still have the speed of a young guy. Maybe those oranges that he secretly eats during game time is the secret.

When he surpasses MJ's scores I didn't doubt that he could do more.
Even with his large size he ain't that much of a prone to bad injuries.
I guess he really takes care of himself and with proper training of everything specially when you are jumping so high that it almost look like there is a ladder.

We will be seeing more records being broken.
He is genetically gifted, I mean the genes he got from his father, (who is a basketball player) is showing. Because as you have said, even at this age, he can still run with the young players, chase down blocks, and can still give us highlight reels every game.
Plus there is an advancement of sports science and medicine, which really help him recover very quick. And from the way he plays, we can still like 3 or 4 years in front of him.