A large U.S. study has found a measurable link between ultra-processed food consumption and serious cardiovascular events, with risk climbing steadily as intake increases.
Researchers compared people eating roughly nine servings daily against those consuming about one serving per day. The high consumers faced a 67% elevated risk of heart attack, stroke, or death from heart disease.
But the risk doesn't threshold at any particular point. Instead, each additional serving consumed daily raised the probability of cardiovascular events by more than 5%, independent of calorie intake, overall diet quality, or existing health conditions.
Ultra-processed foods in the study included chips, frozen meals, sugary drinks, and packaged snacks—products engineered for shelf stability and palatability rather than nutritional value.
The findings underscore what cardiologists have long suspected: the cumulative effect of processed food consumption matters. Even moderate increases in servings appear to create detectable health consequences, suggesting that cutting back on these products offers cardiovascular benefits at almost any level of reduction.
The research adds to growing evidence questioning the safety of ultra-processed diets, particularly in populations where these foods represent a significant portion of daily calories. Whether reducing intake by a few servings daily could meaningfully lower risk remains an open question for follow-up studies.
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