An underappreciated body fluid is emerging as a powerful tool for research, medical diagnosis and health. Spit, as it turns out, contains all sorts of juicy information. According to researchers at ...
A few drops of saliva can now reveal what used to require a scalpel, a syringe or a scan. Unlike blood tests or biopsies, saliva is easy to collect, painless and inexpensive. During the COVID pandemic ...
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