After a 30-year, record-shattering rise, U.S. obesity rates appear to be stabilizing.

New statistics cited in two papers report only a slight uptick since 2005 — leaving public health experts tentatively optimistic that they may be gaining some ground in their efforts to slim down the nation.

Many obesity specialists say the new data, from the Centers for Disease Control and Prevention, are a sign that efforts to address the obesity problem — such as placing nutritional information on food packaging and revising school lunch menus — are beginning to have an effect in a country where two-thirds of adults and one-third of children and teens are overweight or obese.

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