expert reaction to US study looking at ultraprocessed food intake and body fat and visceral adipose tissue, vascular brain injury, and cognition in middle-aged adults - Science Media Centre
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Scientists comment on a study, published in JAMA Network Open, looking at ultraprocessed food intake and body fat and visceral adipose tissue, vascular brain injury, and cognition in middle-aged adults.
“This study of thousands of Canadians shows an association between eating ultra processed food and the presence of small blood vessels disease in the brain. The blood vessel disease was assessed by an expert radiologist visually inspecting the MRI brain scans and visually scoring micro bleeds and white matter disease – which is a widely used and reliable approach. This association does not provide evidence of causality: it does not show that eating a large amount of ultra processed food is a risk factor for greater damage to blood vessels in the brain, as that would require a study design that follows individuals over time, rather than just comparing different individuals at one time point. However, it does suggest further research is warranted into the impact of diet on brain blood vessel damage and the possible implications for brain health.”
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