Headache, nausea: when to suspect carbon monoxide (CO) poisoning? 

Carbon monoxide, or CO: it's the name of a gas, totally odorless, colorless, that we can't detect!
This gas is responsible for malaises and even deaths every year that are nonetheless avoidable. We're all concerned.
In this video, with emergency physician Dr. Donia Bouzid, we explain a what this gas is, and tell you who is susceptible to CO poisoning.
We also tell you what the warning signs are, and what to do if you think you might be affected.