>>10824552Anything that forces your body to metabolize or discard is potentially destroying the structural stability of your cells. Talcum dust, radiation, ultraviolet everything, realistically, the body has natural filters like nose hairs and other such things to nullify the potential threats, but it is still a solution that costs energy. The more work you do, the bigger the mess, the more chance of a fuckup. Welcome to practical biology 101.
