Carbon monoxide: The invisible killer in Minnesota

Carbon monoxide, a colorless and odorless gas, claims around 400 lives each year in the U.S., including 14 in Minnesota, according to the CDC. Known as the ?silent killer,? CO builds up when fuels burn without enough oxygen and can cause symptoms like headache, dizziness, nausea, and even unconsciousness. The founder of Carbon Monoxide Kills Rob Aiers tells us about the importance of CO detectors and protecting yourself from CO poisoning.