Some professions can actually cause asthma or, trigger it to make it worse, this is called occupational asthma.

Most jobs locations, especially office and factory professions, have some kind of dust, smells and other fumes, with which you have direct contact or, indirectly, as it may be going through the ventilation or air systems (from one office to another), producing occupational asthma.

Usually the levels that you breathe in are so minute (small) that you aren