Harvard Heart Letter

New dietary guidelines offer sketch for healthy eating

These evolving guidelines continue to get better and more helpful.

Every five years, the federal government revises the Dietary Guidelines for Americans. The 2010 edition (issued a few months into 2011) was more a facelift than a makeover — a few wrinkles removed here, some definition added there.

It did, though, break a little new ground. For the first time, the guidelines actually urge Americans to eat less. And they mention a few foods by name, like pizza and fries and sugary beverages, rather than talking in generalities.

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