From CNBC comes this story confirming what Building Biology has been teaching for decades.

Smoke, fungal spores, and chemicals used in certain paints, varnishes and cleaners have been shown to be harmful to human health, and yet indoor air quality is not as well understood as pollution outdoors, according to a study published in the journal Science of the Total Environment.

“When we think of the term ‘air pollution,’ we tend to think of car exhausts or factory fumes expelling gray smoke,” said study co-author Prashant Kumar of the University of Surrey. “However, there are actually various sources of pollution that have a negative effect on air quality, many of which are found inside our homes and offices. From cooking residue to paints, varnishes and fungal spores, the air we breathe indoors is often more polluted than that outside.”

Of course, as the study notes, communities can take action to tackle the problem.

Read the full article here.