|Chris Jackson | https://flic.kr/p/e9U1Ku|
The interoceptors. It sounds like the latest box set action hero series in which the heroes, the interoceptors, save the world from a terrible threat in the shape of _________.
You can use your imagination to fill in the gap. Close your eyes and think of something that causes on-going suffering to millions of people. Alas no, for the interoceptors are the actual sufferers. You may have filled the gap with an alien-shaped villain, or you may have thought of chronic pain–no surprise for regular readers.