Deep vein thrombosis

These definitely are not your grandma’s compression stockings. Suddenly, those tight, thick hose that help improve blood circulation are the newest hip-and-healthy trend.

Well, this is a relief: It's not those incredibly crowded economy seats on airplanes that can increase your risk of getting blood clots on long flights, it's that you can't get up and move around because you're stuck in those incredibly crowded economy seats.