Over at NPR, the Shots blog reports that Americans get $1 billion (yes, with a “B”) worth of brain scans every year — because they have a headache. That’s according to research at the University of Michigan.
Headaches are one of the most common reasons people go to the doctor — up to a quarter of all doctor visits, says Shots.
There’s just one problem. Most headaches are just that — a headache.