A new study finds ultra-processed foods may reduce attention and increase dementia risk indicators, even among otherwise healthy eaters.
A new study led by Barbara R. Cardoso at Monash University suggests ultra-processed foods may harm attention span and raise dementia risk scores. The research analysed 2,192 adults and found that higher consumption of processed foods like soft drinks and packaged snacks was linked to lower attention performance.
“For every 10% increase in ultra-processed food calories, attention scores dropped,” researchers noted, adding that dementia risk scores also rose slightly. Interestingly, the study found no significant link between ultra-processed foods and memory decline.
The findings remained consistent even when participants followed healthy diets like the Mediterranean diet, suggesting food processing itself may play a role. While the study does not prove causation, it highlights growing concerns about the long-term cognitive effects of modern diets.
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