1: Lifespan is a straightforward concept. It’s how long we will live.
“Lifespan deals with death, which is binary: we’re alive, and then we’re dead. It’s final,” Dr. Peter Attia writes in his book Outlive: The Science and Art of Longevity.
But before we die, sometimes many years before, “most people suffer through a period of decline,” Peter writes, that “is like dying in slow motion.”
Which is where … continue reading