No More Swabbing: Spit Sampling Gets a Whole Lot Easier, Johns Hopkins University Study

Researchers are constantly finding new ways to figure out what makes us human beings tick, and one of the newer methods makes you want to spit -- literally. Saliva is full of analytes and biomarkers that create a biological journal of exposure to chemicals and disease, and genetic variability. However, the collection of oral fluid has always proved cumbersome, with researchers depending on swabs or collection cups.

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