Eating too many sugary processed foods like soda, candy, and white bread can spike your blood sugar, make your body less responsive to insulin, and create harmful stress in your cells—which together can inflame your body and damage your blood vessels.
Evidence from Studies
Supporting (3)
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This study found that drinking sugary sodas with lots of fructose makes the body less able to use insulin properly and increases fat in the liver, which are signs that the body is getting sick from too much sugar — just like the claim says. But eating fruit with fructose didn’t have the same bad effect.
When kids ate less fructose (a type of sugar), their bodies made fewer harmful fats and became more sensitive to insulin, which is exactly what the claim says happens when you eat too much fructose.
Dietary DHA prevents cognitive impairment and inflammatory gene expression in aged male rats fed a diet enriched with refined carbohydrates.
The study found that eating a lot of refined carbs (like white bread and sugar) made older rats more inflamed in their brains, which matches the claim that these foods cause body-wide inflammation. It doesn’t prove every detail, but it strongly supports the main idea.
Contradicting (0)
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Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.