Association Between Consumption of Low- and No-Calorie Artificial Sweeteners and Cognitive Decline https://www.neurology.org/doi/10.1212/WNL.0000000000214023 Sweeteners can harm cognitive health equivalent to 1.6 years of ageing. https://www.theguardian.com/food/2025/sep/03/sweeteners-can-harm-cognitive-health-equivalent-to-16-years-of-ageing-study-finds Long-term harm from low- and no-calorie sweeteners