Artificial sweeteners have long been marketed as a healthier alternative to sugar, but new research suggests they may not be so harmless for brain health. A large, long-term study has found a link between consuming low- and no-calorie sweeteners and cognitive decline, especially in people under 60 years old.

The first-of-its-kind study adds to the body of research suggesting that artificial sweeteners may come with health consequences — but they also have some benefits, such as being lower in calories, reducing risk of cavities and aiding in blood sugar management.

So what does the new research mean if you regularly consume artificial sweeteners? Here's what to know.

Which Sweeteners Were Linked to Cognitive Decline?

The study followed over 12,000 middle-aged Brazilian adults for e

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