Wear mask why can you breathe difficult ?

Breathing difficulties with masks are mainly due to the fact that masks create a relatively confined space on people's faces. Therefore, part of the exhaust gas exhaled each time will remain in this space. When people inhale again, they have to breathe in this part of the exhaust gas first, thus reducing the amount of oxygen intake and causing breathing difficulties.

The mask will form a filter layer, and the outside air has to be filtered before it can be inhaled, which requires more force to meet the oxygen intake, so it is easy to have difficulty breathing.

Why does wearing a mask protect against Coronavirus Norman? 

It blocks droplets.

Novel coronavirus particles are generally round or oval in shape, with a diameter of 60-140nm. Transmission is mainly through droplets. COVID-19 can be transmitted through face-to-face talking, sneezing, coughing, etc.

Why does wearing a mask protect against coronavirus。Wearing a mask with a protective layer that blocks droplets effectively cuts off this channel of virus entry into the body, so properly wearing a mask can help reduce the risk of Novel coronavirus infection.

Choose the right mask.

In addition to the above where less people open the pick masks to relieve stuffy uncomfortable, is also important to select the appropriate mask, for low risk in epidemic areas of the crowd, go out generally do not need to be wearing an N95 respirator, N95 respirator is thick, permeability is generally, it is easy to make people breathing is not smooth, advised to choose a one-off medical surgical masks, Such masks also serve as a barrier, and are lighter and less stuffy.