One thing not up for debate is that nutrition is an important part of overall good health. But that’s where agreement seems to end – at least according to reports in the media. Eat more protein; but all red meat is risky. Eggs send bad cholesterol levels through the roof; no wait, now it’s OK to eat them again. And recently, news about whether supplements, including calcium and vitamin D, protect us or actually cause harm has been fodder for headlines. So how do you parse the contradictory messages?