Running is one of those things that people either love or hate—there rarely is an in-between. But whatever your feelings about the sport, new research has some good news for you: It only takes a tiny amount of running to give you a nice boost in the health department. For the study, which was published in the International Journal of Epidemiology, scientists from the University of Exeter and the University of Leicester analyzed data on activity levels of more than 2,500 women and their bone health. Their activity was tracked by monitors worn on their wrist, and their bone health was…