An estimated 8 to 10 million people lose a loved one every year, and something like a third to a half of them suffer depressive symptoms for up to month afterward, said Dr. Jerome Wakefield, author of The Loss of Sadness. This would pathologize them for behavior previously thought to be normal.
Okay, before we get our knickers in a twist -- oops, too late. Knickers in a twist is the current US national pastime. Nevertheless, there is a larger context here. Several, in fact.
DSM Context I - Follow The Money