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Why Should I Critically Appraise Health News?

Critical appraisal of healthcare news and opinion is essential in the modern world. This simple act can guide more informed decisions.

Looking for Zebras: Medical Mysteries and Transformational Patient Moments

While medicine has become more advanced and specialized, it has also become increasingly fragmented. For people is hard-to-diagnose conditions, that's another obstacle to care.

Polymerase Chain Reaction (PCR) Testing

The polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA to enable testing.

Time to Upgrade Your Mask?

"CLOTH MASKS ARE LITTLE MORE than facial decorations." That's the remarkable statement from CNN Medical Analyst Dr. Leana Wen. She adds: "This is what scientists and...