It will probably do them good, well better than getting bladdered and dossing in shop doorways like they do now!
I think the experts agree that the path taken by man to populate the world started in what is now Africa, which was at the time joined to S America and then they made their way north thrpugh cental America to what is now The USA, the Eskimo types are supposed to have wandered across the Bering Straits one winter from Mongolia and the native American is a combination of the two.