As I reflect on the passage of time and the way it can seem to accelerate or slow down, I am moved to think about people—in the community, in my practice and in the scientific literature—who have slowed their aging process. Last week, I met one such person at a birthday party at a Rohnert Park roller skating rink.
I’d been skating for an hour or so when a dashing, silver-haired man took the rink.…