If you are one of the millions of Americans in the workforce that spend their days sitting behind a desk, you may have previous experience with an uncomfortable desk chair. However, rather than simply replacing it, many of us choose to ignore visible signs that it’s time for a replacement. An old, worn out desk chair doesn’t just interfere with comfort, it can also negatively affect productivity, efficiency, and darken your mood as the day progresses. Sometimes it’s hard to know when replacing your chair is a matter of necessity or only an issue of comfort. This list will help you know where to place a new office chair on your list of priorities.