To the uneducated eye, pickles seem like a healthy food. What could be so detrimental about a cucumber soaked in vinegar, right? While it's true that the sandwich-side staple is not as unhealthy as alternatives—like, say, a handful of potato chips—pickles do pack a slightly concerning punch. The culprit here, ultimately, is the salt content. According to nutritionist Jay Cowin, one pickle contains more than 66% of sodium adults are recommended to have each day. As anyone who's cracked open a pickle jar recently knows, it is…