There are loopholes big enough to drive trucks through. And Congress needs to take a look at those laws and make sure that they're much more rigorous.

The standard four food groups are based on American agricultural lobbies. Why do we have a milk group? Because we have a National Dairy Council. Why do we have a meat group? Because we have an extremely powerful meat lobby.

Eat less, move more, eat lots of fruits and vegetables, go easy on junk foods.

We don't have a farm-to-table food safety system. I keep saying this. It came as a big surprise to the FDA that tomatoes were being grown in the United States, sent to Mexico for packing, and then sent back. I mean, they had no idea that our food chain worked like this.

I live in the United States, and I'm not moving. But from the standpoint of food safety, the countries in Scandinavia do it better than we do. It's not that they don't have food-poisoning incidents; it's that there are many fewer in proportion to the population.

What we know about diets hasn't changed. It still makes sense to eat lots of fruits and vegetables, balance calories from other foods, and keep calories under control. That, however, does not make front-page news.

The problem with nutrient-by-nutrient nutrition science is that it takes the nutrient out the context of the food, the food out of the context of the diet, and the diet out of the context of the lifestyle.