The provided sources primarily discuss the potential link between artificial sweeteners and cognitive decline, particularly in the context of a new Brazilian study published in Neurology. They examine the methodology and limitations of this study, noting its observational nature means it establishes correlation, not causation. The texts also explore broader scientific evidence, including other human epidemiological studies, animal research suggesting possible biological mechanisms (like gut-brain axis disruption), and the stances of regulatory bodies which generally deem approved sweeteners safe within Acceptable Daily Intake (ADI) limits. Finally, the sources analyze the implications for consumers of diet sodas and popular zero-sugar energy drinks like NOCCO, highlighting the increasing consumption of artificial sweeteners in countries like Sweden, and recommend mindful moderation of these beverages while awaiting further research.

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