NEW HAVEN, Conn. (WTNH) — With low winter temperatures and home heating systems running for days, we see an increase in carbon monoxide poisoning this time of year.

Dr. Chris Carey, an emergency medicine physician at Hartford Hospital, shares what to do if exposed to carbon monoxide, the symptoms of carbon monoxide poisoning, what happens in the body, and how carbon monoxide poisoning is treated.

Watch the interview in the video player above.