A WCCO viewer named Marilyn heard a recent mattress commercial claim dust mites can double the weight of our mattress after eight years, which is when it should be replaced. She wanted to know: Is this a gimmick or should we follow their advice? The answer differs depending on the expert asked.
Kacey Gregerson in Brooklyn Park submitted this Good Question: How do the bus routes get their names? And from Leah in Minnetonka: Why can’t we tear off mattress tags?