A cursory search for “occipital neuralgia smartphones” will bring up a recent report from the Sioux City Journal that warns of the strain our handheld devices put on our necks. One journal article cited in the article explains how tilting your head forward 60 degrees puts an extra 60 pounds of pressure on the top of your spine and surrounding muscles. This, unsurprisingly, can lead to pain:

“People who were voracious readers, they would have these symptoms,” pain specialist Dr. Jeremy Poulsen told the paper. “If those nerves are constantly being impinged by the muscles spasming and pulling, that leads to conditions such as occipital neuralgia—basically it’s headaches that can be miserable.”