Spit is here and of the moment — a post-pandemic, germ-swapping indulgence. Spit is the internal becoming external. In our bodies, we use it to digest and swallow; it makes that which goes in go down ...
A few drops of saliva can now reveal what used to require a scalpel, a syringe or a scan. Scientists have developed ways to analyze spit for the tiniest traces of illness—from mouth cancer to diabetes ...
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