Sometimes your gams simply may not look or feel as good as you want. A salty dinner, prolonged sitting, a long day on your feet ... occasional tweaks to diet or route can leave you feeling temporarily puffy or sore. But if it happens often, it may also be the sign of a larger medical problem. If your legs fall into the "repeat offender" category, keep reading. We’ve rounded up some of the more common causes of leg swelling & pain, as well as tips and treatment info, to help you get informed.