Which mask is best for air pollution: Check types, features and how to select

Breathing polluted air in Indian cities is a serious concern. Choosing the right mask is crucial for protection. N95, KN95, ...
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How to properly wear a mask

We asked an expert from UCLA for tips on what to do and what not to do when it comes to wearing a mask. LOS ANGELES (KABC) -- Here's what you need to know when it comes to properly wearing a mask and ...