You’ve been on a long flight, twisted like a pretzel in coach class. You finally land and your ankles look like balloons from being swollen and it may even hurt to walk to baggage claim. What causes it? Assuming you’re healthy, it’s from the lousy circulation you’ve experienced while your feet have been on the floor, with your legs not moving much, for hours on end. Assuming you’re healthy, the chance of your developing a blood clot from this is small, but still a possibility. But there’s good news – you can decrease that swelling with compression socks!