Can we draw the following hypothesis from the context? 

Context:

How to stop wheezing<br>Keep your living environment clean. Removing irritants from the air you breathe can stop wheezing and associated difficulties caused by external sources, so you should keep the air in both your living and working environment as clean as possible. [substeps] Dust, sweep, and vacuum your home and office regularly.

Hypothesis: Sweeping your front porch keeps dust from entering your home.