Episode 62: Fountain of Youth for Your Eyes??

Close your eyes for a second. Not all the way. Just enough that the world goes soft. Behind those lids is a piece of your brain that crawled forward during evolution and learned how to drink light. Those cells, the ones that grab photons and fire them down a cable into your skull, are some of the most stubborn cells you own. Once they die, they do not come back. Medicine has spent a century treating that as a law of nature. In 2020, a lab in Boston published a paper that treated it like a suggestion.

Episode 62 is a story about three genes, a common antibiotic, a Nobel Prize that almost went too far, and a quiet idea that aging might not be rust. It might be a lost instruction manual. And if that is true, if the damage we call “getting old” is partly a reading error, then some of the most permanent losses in the human body may not be permanent at all.

Sources

https://www.nature.com/articles/s41586-020-2975-4

https://pmc.ncbi.nlm.nih.gov/articles/PMC7752134/

https://www.nature.com/articles/d41586-020-03403-0

https://pmc.ncbi.nlm.nih.gov/articles/PMC10739681/

https://www.lifebiosciences.com/life-biosciences-announces-fda-clearance-of-ind-application-for-er-100-in-optic-neuropathies/

https://www.globenewswire.com/news-release/2026/06/09/3308634/0/en/Life-Biosciences-Announces-First-Patient-Dosed-in-Phase-1-Trial-of-ER-100-for-Optic-Neuropathies.html

https://clinicaltrials.gov/study/NCT07290244

https://www.nature.com/articles/d41586-026-01836-7

https://www.wired.com/story/longevity-startup-doses-first-human-in-bid-to-reverse-age-related-sight-loss/

https://www.lifebiosciences.com/pipeline/

https://lifespan.io/life-biosciences-claims-visual-restoration-in-primates/

https://boxlifemagazine.com/eye-brain-age-reversal-gene-combo/

https://time.com/collection/longevity-leaders/2026/david-sinclair/