New research examining 2,100 adults reveals a striking finding: cognitive impairment from ultra-processed food consumption persists regardless of overall dietary health. Participants consuming high amounts of processed foods demonstrated measurable deficits in attention and mental processing speed, along with elevated dementia risk factors.
This cross-sectional observational study challenges conventional nutritional thinking by demonstrating that the processing level of foods may be a more critical factor in cognitive health than previously recognized. The findings suggest that simply maintaining adequate nutrient intake through healthy foods cannot fully compensate for regular consumption of ultra-processed products. These results underscore the importance of focusing not just on what we eat nutritionally, but on how extensively that food has been industrially processed.
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