A recent PLOS Medicine study indicates that measuring molecules in urine and blood can objectively assess an individual's consumption of ultra-processed foods, which have been linked to various diseases including diabetes and cancer. Traditional dietary assessments often rely on self-reported data, which can be inaccurate. The study, led by Erikka Loftfield at the US National Cancer Institute, analyzed over 1,000 metabolites from blood and urine samples to enhance accuracy in dietary consumption research. This innovative approach offers a promising method to understand diet-disease relationships better.
Studies have shown the potential of studying the products of metabolism excreted in the blood and urine, but only for a small number of such metabolites.
Loftfield and her colleagues have now expanded that analysis to include more than 1,000 metabolites, which are produced when the body converts food into energy.
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