A study published in the August issue of the Journal of Occupational and Environmental Medicine reported a high frequency of multiple myeloma cases observed among World Trade Center responders for September 11.

The six-year study observed 28,252 emergency responders for ground zero at the World Trade Center site. Researchers identified eight cases of myeloma, which was only slightly higher than the statistically expected number of seven cases. However, four of the responders diagnosed with myeloma were under the age of 45, when only one case was expected for that age group. …