Are N95 masks not suitable for long-term wear?

In polluted weather, it is necessary for ordinary people to use particulate protective masks to protect themselves, and safety depends on the correct selection and use of masks. The negative effect of the mask is that it does not provide oxygen, but increases the respiratory resistance to varying degrees, which means that the wearer needs more effort to achieve gas exchange, so some people may feel uncomfortable, weak breathing muscles or poor cardiopulmonary function The elderly, the weak, sick, and young also need to be cautious about whether to wear masks. It is wise to follow the doctor’s advice.

Masks will not provide oxygen, but will increase breathing resistance to varying degrees. The breathing power comes from the movement of the diaphragm and other respiratory muscles, which means that the wearer needs to spend more effort to achieve gas exchange. The reduction of damage caused by masks blocking pollutants is excellent for people with a history of asthma. However, it is different for the elderly, the weak, the sick, the disabled and the young with weak respiratory muscles or poor cardiorespiratory function. The harm caused by respiratory obstruction and hypoxia may exceed the risk of particulate matter itself. Therefore, these people need to wear masks. careful.