> Some people are so in touch with themselves they can tell they are getting sick before they have any measurable symptoms. Other people go months or years with

> Some people are so in touch with themselves they can tell they are getting sick before they have any measurable symptoms. Other people go months or years without knowing something is seriously wrong. And many people derive imagined diagnoses from their anxieties, then come up with confident narratives based on "researching" online. Most of us are terrible at self-diagnosis, doubly at determining the causality to wherever they've arrived. There's a reason the double blind standard was a critical innovation.