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Study Links Healthy Diets to Lung Cancer Risk in Nonsmokers

4/18/2026

Summary

Story summary

A study presented at the American Association for Cancer Research annual meeting links healthier diets with lung cancer in nonsmokers under 50.
Researchers analyzed data from 187 patients, predominantly women, with young-onset lung cancer, and found higher dietary quality scores than U.S. adults.
The study notes the association is correlational and does not prove causation.
Lead researcher Dr. Jorge Nieva called for further investigation into environmental factors, especially pesticide exposure.

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Story summary

A study presented at the American Association for Cancer Research annual meeting links healthier diets with lung cancer in nonsmokers under 50.
Researchers analyzed data from 187 patients, predominantly women, with young-onset lung cancer, and found higher dietary quality scores than U.S. adults.
The study notes the association is correlational and does not prove causation.
Lead researcher Dr. Jorge Nieva called for further investigation into environmental factors, especially pesticide exposure.