A few weeks ago the United States Department of Agriculture published the eighth annual update to the Dietary Guidelines for Americans.  I used to get very excited about the guidelines. I would read the advisory committee report line by line and anticipate the publication of the guidelines based on expert review of science.  Each year I would read the guidelines and feel a little more let down that “this was it” and think “we know all this already”. Now, the guidelines just bore me. It isn’t because the guidelines are bad or wrong. And it isn’t because I don’t love nutrition.  I think it is because after being a dietitian for eighteen years it always comes down to the same simple recommendations of eat more vegetables, eat more fruit, eat more beans, lentils, legumes. Basically, eat more plants and less of everything else. It is commons sense. I would feel bad having someone pay me to give them this advice. It’s just not that exciting anymore. Every five years a committee of the brightest and …