Advice on how much aspartame we can eat or drink is unchanged, despite the sweetener being classified as "possibly" causing cancer.
Two groups of experts at the World Health Organization have been reviewing thousands of scientific studies.
The "possibly carcinogenic" label often causes fear and confusion, but just means the evidence is unconvincing.
Most people consume less than the safe upper limits of aspartame, but the WHO recommends heavy consumers cut down.
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