Uploaded July 2026 | Updated September 2026, 1 week ago

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Scientists have found a way to reverse the age of cells. They’ve been working on treatments that might have the same effect on human bodies. And now, one of these drugs has been injected into the eyeball of a willing volunteer.

Every Thursday, MIT Technology Review’s senior biomedicine reporter, Jessica Hamzelou, dives into the biggest health and biotech stories of the week in her newsletter, The Checkup.

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