Disposable face masks are not meant to be worn for more than a few hours, says Nachman. They get less effective over time, so after wearing one for a while, throw it out and put on a fresh one.

Billions of face masks are dumped into landfill every year and can take hundreds of years to decompose. New research has found a way to upcycle the waste into a high value tech tool.

Razer sold its Zephyr face mask as "N95 certified," but failed qualification tests and now must reimburse consumers.

A small study shows sensors embedded in a face mask appear to detect compounds linked to kidney disease. This is part of ...

Once essential for curbing the spread of COVID-19, disposable face masks have become a major contributor to environmental pollution and human health concerns. Over the past four years, more than ...

Often associated with hormonal fluctuations, chin acne can be persistent and frustrating. Understanding the root causes is ...

The sensors were placed inside the layers of a regular disposable face mask, rather than just stuck onto the surface. This design kept the sensors close to the breath and protected them from damage.

Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter. A KN95 face mask is a type of disposable respirator. (Most people use “mask” and “respirator” interchangeably, ...

Unlike disposable sheet masks, which are made of a material that actually absorbs most of the product itself (and doesn’t leave very much behind for your face), silicone masks aren’t able to ...

AS climate change becomes more apparent around the world—with melting icecaps, rising sea levels and severe, more frequent ...

That familiar phrase, "leaves of three, let it be," is a homeowner's warning, often whispered with a shiver. Poison ivy ( ...

Dentistry has come a long way in recent decades—not just in technology and patient care, but also in its approach to ...