Your daily Diet Coke habit could be negatively affecting your brain, study suggests
Fast Company
Last updated: August 5, 2026
A recent eight-year study indicates a potential link between daily Diet Coke consumption and negative cognitive effects. The research specifically suggests that regular intake of artificial sweeteners, like those found in Diet Coke, may contribute to accelerated declines in memory and thinking abilities, particularly in adults under 60.
- The study observed that individuals consuming artificial sweeteners daily experienced more rapid decreases in memory, thinking skills, and verbal fluency.
- This effect was noted specifically in adults younger than 60 years old, suggesting a potential age-related vulnerability.
- The findings highlight a possible detrimental impact of artificial sweetener consumption on cognitive functions over time.
- The research involved an eight-year observation period to assess the long-term effects.
- The study's focus was on the relationship between regular artificial sweetener consumption and cognitive decline.
- Memory, thinking, and verbal fluency were the primary cognitive functions examined.
- The implications suggest that habitual Diet Coke drinkers might face increased risks of cognitive impairment.
- This research provides new insights into the potential health consequences of artificial sweetener use.