To the Editor In their recent article, Wang et al examined an important and timely question regarding ultraprocessed food (UPF) intake and early-onset colorectal neoplasia. However, several methodological features warrant careful consideration.
JAMA Oncology published a clinical update in Oncology on 26 Mar 2026.
The item focuses on Possible Biases May Have Limited Study on Ultraprocessed Food Intake.
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