We often separate liver disease, metabolic disorders and dementia into different boxes, but ultra‑processed foods and sugary drinks connect them all.

Chronic exposure to liquid sugar and highly processed products drives fatty liver (MASLD), insulin resistance and systemic inflammation, which then spill over into the brain through the gut–liver–brain axis.

Emerging research links MASLD with higher rates of neuroinflammation, structural brain changes and dementia. Understanding this shared pathway transforms “just a can of soda” into a meaningful lever for protecting both long‑term metabolic health and cognitive function.