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What's the Deal With COVID Testing Now? Doctors Explain When to Test, How to Get Them and More
A PCR test detects the actual genetic material of the virus and involves a step that amplifies the presence of any material ...
The Galleri test, by American company GRAIL, can detect over 50 types of cancerous DNA with a simple blood test. How the cancer screening test works.
At-home tests of the gut's microbiome are trending, but doctors say the technology is getting ahead of medical knowledge.
In TODAY.com's Never Have I Ever series, a registered dietitian explains what to do instead of spending money on these tests.
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