Some days I wish I'd been a bit more disciplined like Jodie, and become a cardiologist (Jodie's not a cardiologist, but she IS more disciplined than I am). Over the last few months I have found myself completely intrigued by ECG tracings and the vast amount of information they can provide. Every single millimeter of that squiggly line can provide valuable information about the health status of your heart.
But sometimes I'm not sure if I go too far. I'm corresponding with a single...