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 ...

Exhaled breath can provide a treasure trove of health information, offering a noninvasive window to both respiratory ...

Your breath could hold clues to your health, researchers say — and they have developed a "smart mask" to tap into them. Wei Gao, professor of medical engineering at the California Institute of ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Regular medical masks might provide protection similar to that of N95 respirators in preventing ...

P95 and N95 are rating classifiers for masks manufactured to keep people from inhaling dust and other small particles in unsafe environments.