When you cough, do you ever wonder whether it’s mold or asbestos that’s slowly making you sick? Have you ever justified the peeling paint on your walls by saying, “Well, hey, there’s not that much lead in there.” And do you describe the hole termites ate in your back wall as “God’s air conditioning?” If you answered yes to any of those questions, the folks at ABC want to demolish your home, build you a new one and videotape you freaking out over your sudden good fortune. Yes, you could be on “Extreme Makeover: Home Edition.” The producers are looking…