Do you ever wonder how long it would take to burn off that piece of cake? Or how much cardio you need each day? This information is largely dependent on a person's DNA, so even though there's a lot of information out there - it isn't necessarily all useful. In an effort to make health and wellness easier for consumers, IBM's Watson supercomputer has teamed up with a DNA testing company called Pathway Genomics in the US. And the result is an app that gives you personalised information based on...