It’s saying 38 is the maximum lifespan of a human, determined by genetics, and the only reason we can live past 38 is due to unnatural interventions ie medicine
It’s saying 38 is the maximum lifespan predicted by their model—but it also says their model has an R2 of 0.76, meaning it only predicts about 76% of the variation in the actual measured values. And then they discuss other factors that could account for the remaining 24% of the variation, including post-reproductive-age lifespan.
It’s saying 38 is the maximum lifespan of a human, determined by genetics, and the only reason we can live past 38 is due to unnatural interventions ie medicine
It’s saying 38 is the maximum lifespan predicted by their model—but it also says their model has an R2 of 0.76, meaning it only predicts about 76% of the variation in the actual measured values. And then they discuss other factors that could account for the remaining 24% of the variation, including post-reproductive-age lifespan.