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There’s a lot of talk about our immune systems right now. Like, how do they protect us from contagions exactly? This video explains this phenomenon as well as ways to boost your immune system.  

Rachel Schoutsen, from The Weather Network, interviews experts on this subject so that you can learn about your body's defences.  

It’s never too late to start a healthy lifestyle.

NOW WATCH Five common COVID-19 myths debunked (VIDEO)

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