When Dr. Laura Schlessinger got her foot entangled with shards of broken glass a few months ago, she cleaned the wound, cringed at the amount of blood, and went about her business despite a lingering stinging pain nagging at her to do something.

Apropos of what she does in her professional life as the host of the Dr. Laura program on satellite radio, she yielded to the warning signs and went to the doctor who informed her there were several pieces still lodged in her foot.