11/17/2025
New research has revealed a startling health risk: a common sweetener widely used in foods and beverages may damage the brain barrier, increasing the risk of stroke and other neurological problems. The brain barrier, also known as the blood‑brain barrier, is a critical defence system that protects the brain from harmful substances. When it is compromised even slightly, it can allow toxins and harmful molecules to enter the brain and cause long-term damage.
Scientists found that regular consumption of this sweetener can weaken the barrier over time, making the brain more vulnerable to inflammation, oxidative stress, and vascular damage. This discovery raises concerns about daily intake in sweetened drinks, snacks, and processed foods.
Health experts emphasise moderation and suggest seeking natural alternatives when possible. Protecting the brain barrier is essential not just for reducing stroke risk but also for maintaining overall cognitive health, memory, and long-term brain function.
With neurological diseases on the rise, awareness of hidden risks in everyday foods has never been more important. This finding is a wake-up call to monitor sweetener intake and make informed choices for long-term brain health.