they are not harmless. they create a waste that is poisonous. not all to bad for normal people.
but can cause younger kids to get asthma and other such breathing issues.
they are the very reason there are those tacky mattress tags on your mattress. threatening you not to tear the tag off. saying how the mattress shouldn't be sold or given away.
its a federal warning for health issues.
in 15 years a mattress can gain 50% of its weight in dead skin and mites alone. its actually dangerous
My bio teacher always told us stuff like that about the creepy and dangerous critters we are exposed to every day.
He said he was throwing away an old mattress once and ripped it open to see what was inside. He had to flee the area to avoid breathing in the cloud of nasty.
