Do Artificial Sweeteners Cause Cancer?

Original Title

No Association between Low-Calorie Sweetener (LCS) Use and Overall Cancer Risk in the Nationally Representative Database in the US: Analyses of NHANES 1988–2018 Data and 2019 Public-Use Linked Mortality Files

Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms

Summary

Scientists checked if people who drink diet sodas or use sugar substitutes are more likely to die from cancer using real health data from thousands of Americans over many years.

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Surprising Findings

Despite better diets and less smoking, LCS users had higher obesity and diabetes rates.

Most assume healthier behaviors go hand-in-hand with better weight and metabolic health — but here, the opposite is true. This supports the idea of reverse causality: people use LCS because they’re already managing weight or diabetes.

Practical Takeaways

Using low-calorie sweeteners is unlikely to increase your cancer risk, so you can keep drinking diet soda if it helps you cut sugar.

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