"Biomonitoring Surge Faces Slowdown"

CDC has increased 10-fold the number of contaminants it tracks in people since starting its biomonitoring program in 2001. But the agency is hitting limits that likely will slow future growth, and no one else is picking up the slack, leaving us ignorant for years to come about more than 99% of the possible toxics in our bodies.

Robert Weinhold reports in the February 2010 Environmental Health Perspectives.