How can I miss you if you won't go away?

A story in Slate magazine today gives graphic evidence that life spans are lengthening across the globe, and that years in good health are increasing also. I present it as food for thought: do our medical advances jeopardize resources for the young? Is there a "just" length of life? And do these statistics bear up in the vast majority of the world, in which basic medical care isn't remotely commonplace?