In this real sneeze, droplets and aerosols (really tiny droplets) become airborne. Recent research finds the coronavirus can endure up to 3 hours in aerosols, and other research shows aerosols can remain in the air for many minutes or more, and then be inhaled by others. Image: CDC

Should You Make Your Own Facemask?

Is a homemade mask a useful complement to other COVID-19 preventive measures, or an ineffective measure that offers false hope?

Arguments for and against: A brief overiew

Evidence that masks work

Image: gryffyn m/Unsplash

Homemade masks can work, too

Evidence that masks don’t work well

But is COVID-19 airborne?

How to make (and use) a facemask

Independent health and science journalist, former editor-in-chief of LiveScience, writing about how we age and how to optimize your mind and body through time.

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