Face masks worn by patients infected with tuberculosis (TB) may be able to significantly cut transmission rates to non-infected patients, according to a new study by researchers from the U.S. and ...

To letter writer Kari Kronborg: If a mask makes you feel better, by all means, enjoy wearing one for as long as you desire: It’s your personal choice. You questioned, “If masks don’t work, then why do ...

New research shows that while many cloth and medical masks fall short against tiny airborne particles, simple hacks like overmasking or using braces can dramatically improve your protection, yet only ...