> nature has already optimized for maximum human lifespan Doubtful. The bowhead whale, which lives over 200 years[1], has mutations that we lack. Given that mu

> nature has already optimized for maximum human lifespan Doubtful. The bowhead whale, which lives over 200 years[1], has mutations that we lack. Given that mutations happen randomly and that the dolphin genome is basically the same as the ours (with a few chromosomal rearrangements)[2], it suggests that bowheads got lucky in ways humans did not. A mere fluke. Evolution hasn't finished with us, either. [1]: https://en.wikipedia.org/wiki/Bowhead_whale#Lifespan https://en.wikipedia.org/wiki/Bowhead_whale#Lifespan [2]: https://www.karger.com/Article/Pdf/15002 https://www.karger.com/Article/Pdf/15002