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	What Happens To Your Lungs When You Wear A Face Mask Every Day (The List) View
	What science says about masks (KARE 11) View
	Why Face Masks Are Key: How Hand Washing History Teaches Us An Important Lesson About Wearing A Mask (PACE Cardiology) View
	The science behind face masks (FOX 7 Austin) View
	Therian mask tutorial (The Leafy Cat) View
	Are Masks Safe Do I Need to Wear a Mask Outside (Christy Risinger, MD) View
	Testing face masks: Lab tests reveal the safest and most effective (Marketplace) (CBC News) View
	Covid-19: Wearing Masks Due to Science or Social Etiquette (Bloomberg Television) View