Life is sweet, but were eating too much sugar (AP photo / Thinkstock)
Life is sweet, but were eating too much sugar
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New guidelines from the World Health Organization are enough to kill anyone's sugar high. The U.N. health agency says the world is eating too much sugar. It says people should slash their intake to just six to 12 teaspoons per day an amount that could be exceeded with a single can of soda.

So, put down that doughnut. And while you're at it, skip the breakfast cereal, fruit juice and ketchup.

The guidelines are focused on the added sugars in processed foods, as well as those in honey, syrups and fruit juices. The advice does not apply to naturally occurring sugars. They are found in fruit, vegetables and milk, and come with essential nutrients.

"We have solid evidence that keeping intake of (added) sugars to less than 10 percent of total energy intake reduces the risk of overweight, obesity and tooth decay," said Francesco Branca. He is the director of WHO's nutrition department.

Experts have long railed about the dangers of sugar. Studies suggest that people who eat large amounts of the sweet stuff are at higher risk of dying prematurely. They are at risk to develop heart problems, diabetes and cancer, among other conditions.

To meet the lower threshold set by the new guidelines, Americans would have to slash their average sugar intake by about two-thirds.

Americans get about 13 percent of their calories from added sugar. That is 268 calories a day, the equivalent of about 18 teaspoons. One teaspoon of sugar is about 15 calories. In Europe, sugar intake ranges from about 7 percent in Hungary and Norway, to 17 percent in Britain to nearly 25 percent in Portugal.

Some experts said the 10 percent target was more realistic for Western countries than the lower target. They said the 5 percent of daily calories figure was aimed mostly at developing countries. There, dental hygiene isn't good enough to prevent cavities, which can lead to serious health problems.

Last month, a U.S. government advisory committee recommended that sugar be limited to 10 percent of daily calories. It marked the first time the U.S. has called for a limit on added sugars. The Agriculture and Health and Human Services departments will take those recommendations into account when writing the final guidelines. They are due by the end of the year.

WHO had previously suggested an upper limit for sugar consumption of around 10 percent. But it issued the 5 percent guidance based on the presumed additional health benefits from cutting intake even further. It said it had no solid evidence to support that, however.

"To get down to 5 percent, you wouldn't even be allowed to have orange juice," said Tom Sanders. He is a professor of nutrition and dietetics at King's College London. He wasn't part of the WHO guidelines.

He said it shouldn't be that difficult for most Europeans, Americans and others in the developed world to get their sugar intake to 10 percent of their diet if they limit things like sugary drinks, cereals, beer, cookies and candy.

"Cake is lovely. But it's a treat," Sanders said.

The Sugar Association slammed the new recommendations. It argued the advice was based on "poor quality, weak and inconsistent data." It noted WHO itself acknowledged the evidence for the 5 percent target was "very low quality."

The International Council of Beverages Associations echoed those concerns. The council said beverage makers can help people cut back on sugar through smaller portion sizes, as well as no- and low-calorie drinks and by providing nutritional information on labels.

Coca-Cola, for example, has been more aggressively marketing its "mini cans." The company has launched a reduced-calorie version of its namesake soda called Coca-Cola Life. It's sweetened with a mix of sugar and stevia, a natural sweetener.

Companies have also been working on new technologies to reduce sugar. Senomyx makes ingredients that interact with taste receptors. They block or amplify sweetness. They have no taste or smell and are listed as artificial flavors.

Last year, the U.S. proposed new nutrition labels that would be required to list any sugars added by manufacturers.

Sugar is just one of a number of ingredients that have come under attack, such as salt and trans fat. However, WHO pointed out that when it comes to sugar, most people don't realize how much they're eating because it's often hidden in processed foods not considered sweet. For example, one tablespoon of ketchup has about 4 grams (1 teaspoon) of sugar and a single can of soda has up to 40 grams (10 teaspoons).

"If you do enough exercise, you can eat almost anything," said Kieran Clark of the University of Oxford in England. "But it's very hard to avoid large amounts of sugar unless all you're eating is fruits and vegetables."

Critical thinking challenge: What may make it difficult for the world to cut down on sugar?

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