We all know we should stand up more often, but did you know that the amount of time you spend sitting can affect how long you live? A 2012 Australian study found the more time you spend sitting during the day, the higher your mortality risk soars. And that’s just one of a handful of recent reports linking lots of chair time to serious health risks. The antidote? Stand up. According to a study from Louisiana State University, cutting your sitting time to three hours a day could add years to your life.