Protective Effects of B Vitamins and Antioxidants on the Risk of Arsenic-Related Skin Lesions in Bangladesh
2008

B Vitamins and Antioxidants May Protect Against Arsenic-Related Skin Lesions in Bangladesh

Sample size: 10628 publication 10 minutes Evidence: high

Author Information

Author(s): Lydia B. Zablotska, Yu Chen, Joseph H. Graziano, Faruque Parvez, Alexander van Geen, Geoffrey R. Howe, Habibul Ahsan

Primary Institution: Columbia University

Hypothesis

The study aims to clarify the effects of B vitamins and antioxidants on arsenic-related skin lesions.

Conclusion

Higher intakes of B vitamins and antioxidants may reduce the risk of arsenic-related skin lesions in Bangladesh.

Supporting Evidence

  • Riboflavin, pyridoxine, folic acid, and vitamins A, C, and E significantly modified the risk of arsenic-related skin lesions.
  • Those in the highest quintiles of vitamin intake experienced a 46% to 68% reduction in the deleterious effects of arsenic.
  • Consumption of B vitamins and antioxidants at doses greater than the current recommended daily amounts may reduce skin lesion risk.

Takeaway

Eating more foods with B vitamins and antioxidants can help protect your skin from problems caused by arsenic in drinking water.

Methodology

A cross-sectional study using baseline data from the Health Effects of Arsenic Longitudinal Study (HEALS) with individual-level, time-weighted measures of arsenic exposure.

Potential Biases

Potential biases due to shared well water arsenic concentration among participants.

Limitations

The study is based on prevalent skin lesions and may be affected by measurement errors in dietary intake.

Participant Demographics

Participants were adults aged 18 and older from Araihazar, Bangladesh.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI, 1.0–2.1

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1289/ehp.10707

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