Formaldehyde and Leukemia: An Updated Meta-Analysis and Evaluation of Bias.

The article presents a study on the relationship between formaldehyde and leukemia. It states that meta-analysis is used to evaluate the associative relation between the two factors. It mentions two groups of people involved in the study such as the less than 25,000 workers in formaldehyde industries in the U.S. and the less than 13,000 embalmers and funeral directors. Results of the study show that exposure to formaldehyde increased the risk of leukemia, particularly myeloid leukemia.