India, July 22 -- People who lived near a polluted creek in Missouri during the 1940s to 1960s may now have a higher risk of getting cancer, according to new research.

The study looked at Coldwater Creek in St. Louis County. During World War II, the U.S. government worked on building atomic bombs, and leftover radioactive waste from that project was stored near the St. Louis airport. Some of that waste leaked into the creek, which flowed through neighborhoods where many families lived.

The research team surveyed over 4,200 adults who lived in the area as kids between 1958 and 1970. Many of them had donated their baby teeth years ago for earlier radiation studies. In this new study, they were asked about cancer and other health problems. ...