The author had worked with the government and sat on some of the committees. She obviously favors the "science" approach to nutrition as opposed to the "feelings" approach advocated by many in the industry. In spite of this, she does not paint the FDA in a great light. Nutrition is an extremely complicated subject. There are some simple conditions with simple treatments (eliminate scurvy with fruit.) However, we have pretty much nipped all of these "easy" nutrition problems. Now, most of our problems are those of excess. We are concerned about the complex interaction among the many different components that make up the food we eat. However, many studies try to isolate one particular component of a food to study in a traditional study. Alas, this does not work well, because people don't eat that vitamin or mineral in isolation, they eat the entire fruit. And even if a particular food is studied, the nutritional profile of that food may differ depending on where it is grown, how it is prepared, and who consumes it. Food companies love this confusion and lobby to have their product "favored" based ona positive study, while fighting to prevent their product from being condemned after an unfavorable one. They even fight against labeling that might reduce the consumer's preference for their product. (However, if the public quickly turns on something, they are quick to "reformulate" to build market share. (e.g. "low carb", "low fat", "trans fat free")
What do we get out of this food politic mess? Not a whole lot. We often get fooled by "healthy" junk food that is really not healthy. And we get food that is excessively fortified to look good on labels. If anything, the confusion helps us to spend lots of money and get fat. I guess somebody is succeeding.
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