Scientists just reversed a type of aging damage that was called permanent for 40 years. Revel Pharmaceuticals used an AI-designed enzyme called CMLase to strip decades of glycation and AGEs out of human tissue, taking 75-year-old skin below the level of 31-year-old skin on a key aging marker. Aging reversal, in real human tissue, this month.

And it landed days after Matt Kaeberlein, one of the most respected longevity scientists alive, called reversing biological aging a \.