Higher levels of mercury in the blood were associated with an increased prevalence of non-melanoma skin cancer, the most common human malignancy, in a study published in the British Journal of Dermatology. For the study, researchers analyzed 2003-2016 data on 29,413 participants in the National Health and Nutrition Examination Survey.
‘Compared with individuals with low total mercury, those with high total mercury had nearly double the odds of being diagnosed with non-melanoma skin cancer.’
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The team examined blood levels of different forms of mercury: total mercury, inorganic mercury, and methyl mercury. Similarly, participants with high methyl mercury had a 1.7-times greater odds of non-melanoma skin cancer compared with those with low methyl mercury. Inorganic mercury levels were non-significantly but positively associated with non-melanoma skin cancer.
Most individuals in the United States are exposed to mercury through consumption of contaminated fish and shellfish.
Source-Eurekalert