New health research highlights potential risks associated with ultra-processed foods, linking a high intake of items like soda, packaged snacks, and deli meats to early signs of brain changes visible on MRI scans. While long known to contribute to chronic conditions like obesity and heart disease, studies indicate these foods may also negatively impact vascular and brain health over time.

Published findings analyzed data from nearly 8,800 Canadian adults aged 35 to 69 without a history of heart disease. Researchers observed that participants who consumed the highest proportion of ultra-processed foods showed a greater likelihood of early vascular brain damage markers—such as silent strokes and white matter hyperintensities—compared to those who ate the least.

Experts note that while these early warning signs did not immediately impair day-to-day memory or thinking skills in middle-aged participants, they serve as critical indicators that can appear years before clinical issues develop. Experts suggest that replacing packaged items with homemade alternatives and focusing on whole foods can help mitigate metabolic risks and support long-term brain health.