Sitting is bad for you. You probably already figured that it's better to go for a run than lounge on the sofa for an hour, but you might not realise how much damage spending a day sitting down at work is doing to you. In fact, we've already covered this with an infographic showcasing how it can be as bad as smoking. That might seem overdramatic, but it's actually a simple fact. Around ten per cent of premature deaths are due to inactivity, which is about the same amount as those due to smo...