Juana Summers
Journalist and host on NPR (noted in the transcript as one of the hosts of All Things Considered) who appears as a guest contributor on this Short Wave episode to discuss health stories.
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Apr 3, 2026 • 10min
Never had the flu? Scientists may know why
Juana Summers, NPR journalist and All Things Considered host, joins to unpack surprising health science. They discuss why some people may never get the flu, spotlighting a molecule called dermcidin found in the mouth. Conversation covers dermcidin’s antiviral role and possible uses like targeted vaccines or nasal sprays. They also touch on how brief bursts of vigorous exercise affect disease risk and global food fortification efforts.
