simple question why..

[AirShot]

As a child always carried follow up shots for my pellet gun in my mouth. I would have two or three pellets in my mouth. All that time and the lead has had no effect on me. All that time and the lead has had no effect on me. All that time and the lead has had no effect on me. All that time and the lead has had no effect on me

Did the same thing, so far, made it to 72 yrs old and still going strong !!