Researchers from Brown University looked at the data of 100,000 Americans. In the study that continued for 24 to 26 years, 1,840 of the participants were diagnosed with melanoma. The researchers assessed the dietary patterns of the participants to find out the link between their food intake and skin cancer.
After assessing the diet pattern, the researchers affirmed that those participants who had one serving of citrus fruits or juice at least 1.6 times daily had an increased risk of developing skin cancer by 36% in comparison to those whose consumption was limited to once or twice a week.
The study researchers also noticed that the subjects majorly had two fruits: grapefruit and orange juice. The researchers think that both of them were the main contributors in increasing the risk. It can be due to high levels of psoralens and furocoumarins, as they make skin more sensitive to sunlight.
Therefore, study researchers have suggested people who regularly consume grapefruits and oranges to avoid too much exposure to sunlight. Study's lead researcher Shaowei Wu from the Warren Alpert Medical School at Brown University said, "Those who consume a lot of grapefruit and/or orange juice should be particularly careful to avoid prolonged sun exposure".
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