By C Eugene Emery Jr A massive, exhaustive $6 billion national study designed to uncover new links between the environment, heredity and childhood disease is coming to Bristol County in Massachusetts.

To: STATE EDITORS Contact: Samantha Martin of U.S. Attorney's Office, +1-617-748- 3139, samantha.martin@usdoj.gov; or Bernie Sutherland of Bristol County Sheriff's Department, +1-508-995-6400; or Gregg Miliote of Bristol County District Attorney's Office, +1-508-997-0711 ext.