Just how long can you wear one surgical mask? How often you should replace your mask depends on who you ask. If you ask the WHO, they recommend surgical masks be changed every 4 hours. That could mean multiple masks a day. That’s a lot of masks and a lot … Read more
DIY cloth masks to protect against viruses sounds like a crazy idea. Data shows masks work incredibly well, and they’re also really cheap. Surgical masks cost a few pennies, and they’re capable of filtering out 80% of particles down to 0.007 microns (14 times smaller than COVID-19). However, the COVID-19 … Read more
COVID-19 has caused a surge in interest for all types of masks, including Japanese Pitta masks. Smart Air has received a flood of questions about how well they filter COVID-19 and other viruses. The Japanese Pitta masks are sleek and incredibly popular, but there’s little information available on how well … Read more
Air purifiers in dentist offices can help reduce COVID-19 spread and help protect dental patients. This is important as dentist offices may be high-risk areas for COVID-19 and delta variant spread. This article covers COVID-19 protection in dentist offices, including masks and air purifiers as possible means of reducing virus … Read more
Covid-19 and the Delta variant has led to a new surge in interest of how to clean and disinfect masks. Google searches for “wash N95 mask” and “wash KN95 mask” have sky-rocketed. Yet data-backed answers seem to be in short supply. The standard guidelines say to throw masks out and … Read more
Mask standards can be confusing: N95, KN95, FFP1, P2, or surgical mask? This quick run-down of mask specifications covers mask types, mask ratings, and their effectiveness at filtering particles. First off, let’s start with mask types (or certification types). In general, there are 3 types of commonly used, disposable masks. … Read more
Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.
The director of the NIH Dr. Anthony Fauci has said it seems like common sense that wearing two masks is better than one. So we decided to test whether two layers of the same material is better than one layer. Note that there may be other benefits of wearing double … Read more
The coronavirus has made millions around the world regularly wear masks to reduce the spread of the virus. It is clear, masks help mitigate virus spread. But widespread mask wearing may be having another unintended benefit: lowering blood pressure for millions. With mask wearing to prevent coronavirus spread, people are … Read more
Wearing masks for hours on end has led some people to worry about whether N95 masks deprive us of oxygen. Scientists have actually made people wear N95 masks and measured their blood oxygen. So we have a solid answer to this question, and it’s not what this question assumes. This … Read more
