Mercury and Tuna
Toxic Traces: New Questions About Old Chemicals --- Column One: With Mercury and Tuna, U.S. Advice Is Leaving An Array of Questions --- Balancing Interests, Agencies Issue Guides at Odds With Risk Measures --- A Sudden Setback for a Schoolboy ---- By Peter Waldman, WSJ, 8/1/05

 SAN FRANCISCO -- One by one, Matthew Davis's fifth-grade teachers went around the table describing the 10-year-old boy. He wasn't focused in class and often missed assignments, they said. He labored at basic addition. He could barely write a simple sentence.  See article above link for the rest of the story....