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The review , by Cape Town-based researchers NP Steyn, NG Myburgh and JH Nel, also compares sugar consumption in malnourished populations of children to that of well-nourished populations. It finds that in many cases sugar displaces protein consumption and significantly dilutes iron, zinc and thiamine intake. This suggests that the diets of undernourished children would not be improved by the addition of sugar-rich foods. "
"New draft guideline proposals
WHO’s current recommendation, from 2002, is that sugars should make up less than 10% of total energy intake per day. The new draft guideline also proposes that sugars should be less than 10% of total energy intake per day. It further suggests that a reduction to below 5% of total energy intake per day would have additional benefits. Five per cent of total energy intake is equivalent to around 25 grams (around 6 teaspoons) of sugar per day for an adult of normal Body Mass Index (BMI)."
"The suggested limits on intake of sugars in the draft guideline apply to all monosaccharides (such as glucose, fructose) and disaccharides (such as sucrose or table sugar) that are added to food by the manufacturer, the cook or the consumer, as well as sugars that are naturally present in honey, syrups, fruit juices and fruit concentrates.
Much of the sugars consumed today are “hidden” in processed foods that are not usually seen as sweets. For example, 1 tablespoon of ketchup contains around 4 grams (around 1 teaspoon) of sugars. A single can of sugar-sweetened soda contains up to 40 grams (around 10 teaspoons) of sugar.
The draft guideline was formulated based on analyses of all published scientific studies on the consumption of sugars and how that relates to excess weight gain and tooth decay in adults and children."
http://www.bmj.com/content/346/bmj.e7492.pdf%2Bhtml
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