There’s no getting around it: Between sitting at the computer, watching TV or just our sedentary ways, physical inactivity has created an enormous public health problem worldwide. To combat this ever worsening trend, researchers have been trying to figure out what’s the minimum threshold of activity needed to reduce or even eliminate the serious morbidity and mortality risks associated with our slothfulness. A new study in the British journal The Lancet suggests a formula that’s reasonably easy to figure out. Curious about their recommendations? Stand up and Read This.