Do air filters really help asthma patients?

One of the goals of the air filters is to have a clean air. So far, there are studies that show how air filters do not have the capacity to prevent allergies and avoid asthma infection. Even experts have mixed opinions about these assumptions.

It is widely accepted that air purifiers help in having clean air. Unfortunately, for asthma patients there is little evidence of its affectivity.

--- permission must be obtained from author Edward Parry to re-publish ---