Sweeteners Can Harm Cognitive Health Equivalent To 1.6 Years of Aging, Study Finds

A long-term study of over 12,000 adults suggests that artificial sweeteners like aspartame, saccharin, and sugar alcohols may accelerate cognitive decline in middle age, equivalent to about 1.6 years of extra aging. The Guardian reports: Sweeteners' association with cognitive decline is of such concern that consumers should instead use either tagatose, a natural sweetener, or alternatives such as honey or maple syrup, the researchers said. They looked at the impact of seven sweeteners on the health of the study's participants -- 12,772 civil servants in Brazil, with an average age of 52 -- who were followed up for on average eight years. Participants completed questionnaires detailing their food and drink intake over the previous year, and later underwent tests of their cognitive skills such as verbal fluency and word recall.

People who consumed the most sweeteners experienced declines in their thinking and memory skills 62% faster than those with the lowest intake, the researchers found. This was 'the equivalent of about 1.6 years of aging,' the researchers said. Consumption of combined and individual LNCs, particularly aspartame, saccharin, acesulfame K, erythritol, sorbitol and xylitol, was associated with cognitive loss. 'Daily consumption of LNCs was associated with accelerated decline in memory, verbal fluency and global cognition,' the authors say in their paper, published in the American medical journal Neurology. However, the trend was only observed in participants under the age of 60. That shows that middle-aged adults need to be encouraged to use fewer sweeteners, they added.

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