Masking
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COVID cases are rising. What are schools doing about it?
A breakdown of what schools have planned, what teachers are saying and how parents can keep kids safe.
5 min read - HealthINSIDER
A doctor wore 6 face masks at once while testing his oxygen levels, and found he could still breathe perfectly
Maitiu O Tuathail, an Irish doctor, confronted a common complaint from people who don't want to wear masks: the false belief that masks block oxygen.
3 min read