Let’s say you twisted your ankle and it’s causing unbearable pain. You’ll likely go to a doctor, who will examine you and probably order an X-ray. If it’s just a sprain, you’ll be advised to apply ice, elevate and stay off it, and you’ll need crutches to get around for a while. If it’s a break, you might get a cast or a brace, or possibly an appointment with a surgeon, and some time off to heal. But what happens when your unbearable pain isn’t visible, can’t easily be explained or diagnosed, and doesn’t have a commonly accepted medical treatment? […]