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Every now and then, a claim in longevity gets so far ahead of the evidence that it deserves a little pushback.This time, the catalyst was a recent video from Longevity Science News that claimed a newly published Nature Communications paper had essentially reversed skin aging and even suggested it proved me wrong.So... I decided to have a little fun with it.Consider this the Longevity Cage Match: scientist versus stand-up comedian. (For the record, I have nothing against stand-up comedians. I do have something against overselling science.)In this video I walk through what the paper actually shows and where the LSN video goes off the rails:• What the new CMLase enzyme really accomplished• Why removing one type of molecular damage is not the same as reversing aging• How the paper used directed evolution (and where AI actually fits into the story)• Why "40 years of damage removed" makes for a great thumbnail but a poor scientific conclusion• The difference between a genuinely exciting proof-of-principle and a breakthrough therapyThe study is actually a very nice piece of work. I say that repeatedly. It's clever, well executed, and potentially important. But good science deserves to be celebrated for what it actually shows, not for what we'd like it to show.The longevity field already struggles with exaggerated headlines, miracle claims, and snake oil. We don't need to invent breakthroughs when the real science is interesting enough on its own.As always, I'd love to hear your thoughts in the comments. If you think I've misunderstood the paper, point me to the data. If you agree, let me know where you think the line is between enthusiasm and hype.Either way, let's keep the discussion intellectually honest and evidence-based.Paper discussed:Trabosh et al. Reversal of protein chemical aging by enzymatic deglycation. Nature Communications (2026).
