The art of living well within nature's limits
We spend a remarkable amount of time fighting the idea that we will die. We celebrate medical breakthroughs that add years to life, mourn the creeping losses of old age, and quietly hope that science will one day tip the balance in our favor. But what if we've been asking the wrong question? What if the real challenge isn't how long we live — but how fully? To understand why, we need to start where all life starts: with evolution. Evolution is not in the business of making immortal creatures. It is in the business of making successful ones. Success, in evolutionary terms, means surviving long enough to reproduce and give your offspring a fighting chance. Everything after that is, in a very real sense, outside evolution's job description. This is why there is an upper boundary on human lifespan that no amount of willpower or medicine can fully dissolve. Natural selection can only "see" mutations that affect our odds before and during reproduction. A genetic glitch ...