The powers that be keep leaking their evidence.
http://www.epa.gov/teach/chem_summ/mercury_elem_summary.pdf
"Dental amalgam fillings in pregnant rats early in the pregnancy resulted in significantly greater accumulation of mercury in rats who received 4 amalgams/rat as compared to rats who had no
amalgams."http://www.epa.gov/teach/chem_summ/mercury_elem_summary.pdf