"I had been pretty healthy," Nicole said. "So, to find out that I got this, I thought, 'Well, I'm so healthy, I don't know, kind of, where this came from.' It made me realize like, this could happen ...

These are pretreated and laundered industrial stain monitors that Andrea used during detergent testing. The bottom-middle monitor shows stains pretreated and washed with Tide Free & Gentle.