In part one, I started explaining why chronic pain is such a tough medical problem. “It’s not rocket science,” I wrote, “it’s much harder than rocket science.” There are some reasons for optimism, and some things that probably work, but pain patients feel very poorly served on average, and the last time I covered the first five of (at least) fifteen major reasons why: Pain is an extremely hard problem There’s not enough good science about pain Pain is too easy to ignore, trivial...