benefits of sugar-free foods debated
“Sugar-free gum, sweets and soft drinks, marketed as healthy alternatives to sugary products, can damage teeth, cause gastric problems andare unlikely to promote weight loss,” The Guardian has today reported.
The news is based on a review of the oral health effects of sugar-free products, and in particular, a group of sweeteners called polyols that areoften added to sweets, drinks and chewing gum. It is already well known that dental cavities can be formed when bacteria convert sugars infood into acid, which breaks down tooth enamel. However, in this new study, researchers looked for evidence on whether foods containingcertain sugar substitutes were beneficial for dental health.
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While the researchers found some evidence that cavity formation was inhibited by certain polyols, in particular the ‘tooth-kind’ sweetenerxlylitol, they say they could not find clear evidence on whether tooth enamel was damaged by sugar-free foods and beverages containing acidic flavourings and preservatives alongside polyols.
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The research has highlighted that there is a lack of data on the potential actions of foods containing certain sweeteners, in particular how they compare to full-sugar products. However, until this evidence is gathered, people can still protect their teeth against the established causes oftooth decay by maintaining good oral hygiene (brushing and flossing regularly) and eating less sugary foods.
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