Every year, it seems that there are a variety of trends that emerge when it comes to health and fitness. There are trends that come and go, but a few appear to make such a splash that they seem to stick around for the long haul. One of these health trends that is equally convenient as it is delicious is the new salad in a jar. This approach to eating salad is one of the easiest ways to carry around any type of salad without fearing that it will spill...