Over the years I have grown leery and skeptical about any study concerning foods and nutrition. Of course their are some truisms (refined sugar is always a food with few benefits and lots of drawbacks), but their are a whole lot of "not necessarily truisms". Not only is the science of the human body extremely complex, each person has a different set of body parts that work differently, have different microbe populations throughout their body that greatly affect reactions to food, and live in different environments that may cause them to react differently to different food stimulus. What may be truly harmful to one person may be beneficial to another (take salt, for instance). Some foods in moderate amounts may be fairly harmless, yet be harmful if consumed in excess (beer, caffeine and beef for instance). Seems that too often studies make over-reaching generalizations that don't fit everyone in all situations.