Carbon monoxide: Staying safe from the silent killer

Carbon monoxide is known as the silent killer. This odorless, colorless, tasteless gas claims approximately 300 lives a year and is the No. 1 cause of poisoning deaths in the nation, according to the National Fire Protection Association. If you haven't tested your CO detectors in a while, it may be time for a replacement.

Jen Weigel

February 29, 2012