"Many patients are intolerant to PAP treatment due to poor mask fit," explained Song Peng, Assistant Professor at the Singapore University of Technology and Design (SUTD). He highlighted that poor ...

Japanese people have taken to wearing face masks during the pandemic, but the main reason for doing so has more to do with going along with others than preventing the coronavirus from spreading ...

Masks should fit snugly around the nose, mouth, sides of the face and under the chin, according to the Centers for Disease Control and Prevention. "The best performing masks will have two or more ...

Surgical and Cloth Masks: These offer basic protection but are generally ineffective for fine particulate matter like PM2.5. They do not fit tightly, so pollutants can enter through gaps ...