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"The drug that could rewrite sleep" and "Progress on curing blindness."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 11 November 2026, 0208 UTC.

Content and Source:  "National Geographic."

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Russ Roberts (https://hawaiisciencemonitor.blogspot.com).

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In this week’s Health newsletter: There’s a critical window for preserving body strength—what age is it? Plus, quitting Ozempic comes with surprising risks, why buy kefir over yogurt, and the progress on curing blindness.   But first: A new drug could change how we understand sleep.

THE BIG STORY

PAUL DAMIEN, NATIONAL GEOGRAPHIC IMAGE COLLECTION Scientists have found a way to restore a missing wakefulness signal in people with narcolepsy. The breakthrough could have implications for understanding—and potentially treating—other sleep disorders. THE BRAIN'S HIDDEN SLEEP SWITCH

IN THE SPOTLIGHT

REBECCA HALE, NGM STAFF

There's a Critical Window for Preserving Body Strength—and It Starts at This Age The fight against frailty can begin decades before physical decline becomes obvious.

WHAT AGE?

TOP HEADLINES

PHOTO ILLUSTRATION: NGM STAFF; SOURCE PHOTO: REBECCA HALE, NATIONAL GEOGRAPHIC

The Surprising Risks of Quitting Ozempic

The Case for Buying Kefir Over Yogurt

They Were Blinded in Accidents. Now, They Can See Again.

Today’s newsletter was edited and curated by Sidney Madden and produced by Amanda Williams-Bryant. Did someone forward this to you? Sign up here to get this newsletter and more.

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