Sept. 11 Responders May Be at Heightened Risk of Developing Leukemia

After the Twin Towers fell on Sept. 11, 2001, the thousands of people involved in rescue-and-cleanup efforts were exposed to carcinogens and other toxins as they breathed in contaminated air and dug through industrial rubble.

Studies completed since then have shown elevated rates of conditions including multiple myeloma, prostate cancer and thyroid cancer among 9/11 responders and those who worked near the site. A new study published Jan.