Surely before we lived in houses, we were living outside breathing in all kinds of leaf and wood mould. Has the mould changed, our bodies changed in how they react, or have people throughout history always got sick from mould?
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*The dose makes the poison*
Living outdoors, we’re exposed to a lot of different molds. The amount we inhale is small unless we have our noses next to the fungus.
Humans have since built structures to live in that can leak from the roof, floor, or from plumbing. This moisture can lead to mold spores in higher concentrations than encountered outside, eventually negatively affecting our health.
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