There are several ways to get lead poisoning. The metal lead is taken into the body by 2different routes. They are inhaling lead, usually in the form of lead dust, and by ingesting lead- you swallow...
Lead is the trace mineral that leads to lead poisoning....there has been no discernable "safe" level in the human body, a small amount of lead can cause complications.
Not sure. :(idk either, but im pretty sure u can't get lead poisoning easily because i had these people in my elemnatry class when i was younger and they drank some water with lead in it just to act...