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WHO Labels Aspartame Carcinogenic, Sets 40 mg/kg Limit

5/3/2026

45 9 Full Breakdown

Summary

Story summary

WHO classified aspartame as carcinogenic and set a limit of 40 mg per kilogram.
A 150-pound person would need over 13 cans of Diet Coke to exceed the limit.
Observational studies link diet soda with health issues, yet a 2022 WHO review of 50 trials found no significant effects and only modest weight loss versus sugary drinks.
Dr. Sarah Fishman says diet soda is preferable but urges water or seltzer instead.

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Story summary

WHO classified aspartame as carcinogenic and set a limit of 40 mg per kilogram.
A 150-pound person would need over 13 cans of Diet Coke to exceed the limit.
Observational studies link diet soda with health issues, yet a 2022 WHO review of 50 trials found no significant effects and only modest weight loss versus sugary drinks.
Dr. Sarah Fishman says diet soda is preferable but urges water or seltzer instead.