Monitor what your kids watch on TV
It starts innocently enough — a little Sesame Street here, some Wiggles there — but when your tyke starts talking to the ''TV People,'' as little Carol Anne did in Poltergeist, you should start worrying. (Other signs that things are not quite right in your home: There's a menacing tree monster, a creepy toy clown, a freaky four-foot-tall medium...)