Most people know that smoking causes lung cancer. Most people know that sun exposure causes skin cancer. But very few people — including many in the medical community — know that the mold living in their walls, growing in their food, and colonizing inside their bodies...

Throughout recorded history, some of humanity's most devastating and mysterious mass-death events have been linked, studied, or theorized to involve toxic mold and mycotoxins. From the grain stores of ancient Egypt to the witch trial hysteria of colonial Salem, the...