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Is black mold really as bad for us as we think? A toxicologist explains

mold
Credit: Unsplash/CC0 Public Domain

Mold in houses is unsightly and may cause unpleasant odors. More important though, mold has been linked to a range of health effects—especially triggering asthma.

However, is mold exposure linked to a serious lung disease in children, unrelated to asthma? As we’ll see, this link may not be real, or if it is, it’s so rare to not be a meaningful risk. Yet we still hear mold in damp homes described as “toxic.”

Indeed, moldy homes can harm people’s health, but not necessarily how you might think.

What is mold?
Mold is the general term for a variety of fungi. The mold that people have focused on in damp homes is “black mold.” This forms unsightly black patches on walls and other parts of damp-affected buildings.

Black mold is not a single fung...

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