Nutrition, the oldest preventive and therapeutic science, has been a crucially important component of health and health care throughout the ages.With common sense as a guideline, it should be relatively easy to make sound decisions regarding healthy eating. However, the information explosion in the science of food and nutrition very often creates the impression that the available information is contradictory. Confusion reigns and perspective is lacking. Indeed it is no longer easy to distinguish between fact, misinformation and fiction.