American, but I qualify for government insurance so everything tends to get covered and I pay nothing for it. Back pain is ultimately from Spina Bifida. Why this particular escalation in pain is happening, I believe, is because I recently spent a few days out of town which I slept on an air mattress. While the air mattress I have is a nice one, my back is exceptionally mercurial in attitude.
One possibility is breadfruit. We, realistically, can’t depend on one though. Even the most robust staple food will still have some sort of vulnerability so it will always be of benefits to have several.