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USC Study Links Healthy Diets to Higher Lung Cancer Risk in Young Nonsmokers
Researchers found a 65 average Healthy Eating Index score in young nonsmoking patients, but say the result may reflect pesticide exposure rather than diet.
- On Tuesday, April 21, 2026, USC Norris Comprehensive Cancer Center researchers presented findings at the American Association for Cancer Research Annual Meeting linking healthier diets rich in produce to higher rates of young-onset lung cancer in non-smokers.
- Lead investigator Dr. Jorge Nieva theorized that pesticide residues on commercially produced crops, rather than healthy foods themselves, may drive the association; agricultural workers exposed to pesticides often face higher lung cancer risks.
- Researchers analyzed dietary data from 187 patients diagnosed before age 50, finding participants averaged 65 on the Healthy Eating Index compared to the national average of 57.
- Epidemiologist Katrine Wallace stated the interpretation "overstates" the findings, while experts noted the retrospective study design created potential patient recall bias in dietary reporting.
- Nieva emphasized measuring pesticide levels in patient blood or urine samples to confirm the link, noting such testing could reveal whether specific chemical substances correlate with increased risk.
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Scientists Reveal Eating Fruits and Vegetables May Increase Your Risk of Lung Cancer
Researchers investigating a rise in lung cancer among younger non-smokers have uncovered a puzzling pattern linked to diet and environmental exposure. A diet packed with fruits, vegetables, and whole grains is widely considered healthy and typically seen as a cornerstone of disease prevention. But new research from the USC Norris Comprehensive Cancer Center, part of [...]
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Keck Medicine of USC
Eating fruits, vegetables and whole grains may increase chance of early onset lung cancer
New research from USC Norris Comprehensive Cancer Center, part of Keck Medicine of USC, suggests that eating fruits, vegetables and whole grains may increase chance of early onset lung cancer.
·Washington, United States
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Total News Sources56
Leaning Left6Leaning Right8Center19Last UpdatedBias Distribution58% Center
Bias Distribution
- 58% of the sources are Center
58% Center
L 18%
C 58%
R 24%
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