“Good luck!” reads the text from my editor that arrives at 7.53am. But I don’t need it. As personal challenges go, I’m not remotely intimidated by what’s on the agenda today. In the name of science, I have been tasked with hitting exactly 3,967 steps and making the most of every one. Easy. If 3,967… Continue reading The key to a longer life? Why I tried to walk exactly 3,967 steps in a day | Health