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Browsing through article titles this week, my eye caught one from the Journal of Clinical Oncology with the words “melanoma” and “citrus fruit”. Not worth looking at I thought, clearly a study linking citrus intake with melanoma is hopelessly confounded. People who eat citrus fruits are probably healthier in general, have better access to care, etc – clearly they’ll have lower melanoma rates.
But then I read the abstract, and, go figure – people consuming more citrus fruits had higher rates of melanoma. This was worth a deeper dive.