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Soybean Oil Linked to Weight Gain, Study Reveals

12/5/2025

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Story summary
  • The University of California, Riverside study suggests soybean oil may cause weight gain via metabolic processing from excess linoleic acid, which drives inflammation and fat accumulation.
  • Researchers fed two groups of mice a soybean oil–rich diet.
  • Non-genetically modified mice gained significant weight.
  • Genetically modified mice showed resistance to weight gain and healthier livers.
  • Researchers aim to influence future nutrition policies.