What happens when you faint?

Air Date: Aug 11, 2016 12:00 AM ET

If you've ever had a fainting spell or have seen someone else black out it can be scary. Its more common than you think! Dr Satish Raj is an expert on the topic. He's an associate professor in cardiac sciences at the Cumming School of Medicine at U of C.

Stay Connected with CBC News

Weather

Severe weather warnings or watches in effect for:

Sunday

Increasing cloudiness

23°C

Monday

Sunny

21°C

Tuesday

Sunny

26°C

Wednesday

Sunny

27°C

Thursday

Sunny

26°C