For many people, it has become such a routine that they barely think about it anymore. A can with lunch, another during the afternoon slump, and perhaps one more while relaxing in the evening. Because it is sugar-free, it often feels like the healthier choice.
But a growing body of research suggests the story may not be quite that simple. A recent study published in the scientific journal Neurology has put artificial sweeteners back under the spotlight, reports B.T.
Led by Brazilian researcher Claudia Kimie Suemoto, the study followed more than 12,000 adults over an eight-year period to explore how sweetener consumption may be linked to cognitive health.
A study that is turning heads
Researchers tracked participants' dietary habits and monitored changes in memory and cognitive performance over time.
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According to the findings, individuals with the highest intake of artificial sweeteners experienced a significantly faster decline in cognitive function compared with those who consumed the least.
The association was particularly noticeable among people under the age of 60 and among individuals living with diabetes.
While the findings do not prove that sweeteners directly cause cognitive decline, they have added new fuel to an ongoing scientific debate about the long-term effects of sugar substitutes.
Two familiar ingredients under scrutiny
Among the sweeteners examined were aspartame and acesulfame-K, two ingredients commonly used in sugar-free beverages, including Pepsi Max.
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In total, researchers investigated seven different artificial sweeteners that are widely found in products marketed as low-calorie or sugar-free alternatives.
As these products continue to grow in popularity, scientists are increasingly interested in understanding whether frequent consumption could have consequences beyond weight management and blood sugar control.
Researchers say more answers are needed
Experts caution against jumping to conclusions based on a single study. Other lifestyle factors may have contributed to the results, and further research will be needed before any direct cause-and-effect relationship can be established.
Even so, the findings contribute to a broader discussion that has been building for years. Health organizations, including the World Health Organization, have previously raised questions about the long-term use of artificial sweeteners, and this latest study adds another piece to the puzzle.
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For the millions of people who regularly choose sugar-free soft drinks, the message is not necessarily to stop drinking them altogether. Instead, researchers say the findings are a reminder that products often perceived as healthier alternatives may still deserve a closer look.
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