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Study: Foods in U.S. and Canada Tend to Have More Salt

April 16, 2012 -- Your helping of McDonald's Chicken McNuggets in the U.S. comes with something extra you won't find in the same nuggets overseas: a lot more salt.

A new study finds that there is a wide range in the salt content of the same fast foods sold in different countries. Food in the U.S. and Canada generally contain more salt than food in the U.K. and France.

Researchers say the finding suggests that technical issues often cited by fast food franchises as barriers to reducing salt in their products may not be a major issue.

"These companies can reduce the salt in their foods because they are doing it," says University of Calgary professor of medicine and community health Norman Campbell, MD, who was a co-author of the study. "Decreasing the salt content of fast foods is certainly technically feasible and it would improve health and save billions annually in health care costs."

Salt in Fast Foods

The American Heart Association recommends eating less than 1,500 mg of sodium daily to help reduce the risk of heart disease and stroke. Eating1,500 mg of sodium is the equivalent of slightly more than half a teaspoon of table salt.

Yet the average daily intake for most Americans is more than twice this limit, according to the CDC.

Most of the sodium we eat -- about 80% the CDC says -- is not poured from a saltshaker, but is found in processed and restaurant foods.

Because of this, reducing salt in these foods is a crucial step to lowering individual and overall salt consumption, Campbell says.

In an effort to examine differences in salt among some of the most popular fast foods by product and region, Campbell and colleagues examined nutrition data provided in six separate countries by the multinational chains McDonald's, Burger King, Domino's, Kentucky Fried Chicken, Pizza Hut, and Subway.

The countries included the U.S., U.K., Canada, New Zealand, Australia, and France.

Foods Saltier in U.S., Canada

Although the salt content of some foods, such as McDonald's Big Mac, did not vary much from country to country, much bigger regional variations were seen for other popular items.

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