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Published online 18 November 2005 | Nature | doi:10.1038/news051114-15
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Aspartame linked to increased cancer risk in rats
Study contradicts previous findings on safety of sweetener.
Italian researchers are challenging the safety of aspartame, the low-calorie sweetener found in NutraSweet, diet sodas and thousands of other food products.
Rats that have been fed the sweetener can develop cancer, the researchers report, even at doses below the recommended limits for people.
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