Three people died from apparent carbon monoxide poisoning at Saguaro Lake in Mesa on Jan. 18, a poison that kills hundreds annually.

Carbon monoxide (CO) is an odorless, colorless gas that kills without warning. Hundreds of people die each year and thousands ...

Two-time Tour de France champion Jonas Vingegaard is calling for a ban of the controversial carbon monoxide rebreathing ...

Burnsville is the first department in Minnesota to stock blood on ambulances in hopes of providing transfusions on scene. FOX ...

A vitamin B12 blood test is one way to know if you’re B12 deficient. Some people opt for a urine test instead. Learn when ...