Swedish study based on autopsies published in FASAB indicates that the more amalgam fillings present in your mouth, the more mercury you will have in your organs, including the brain, kidneys, heart and liver.
^ Nylander, M; Friberg, L; Lind, B (1987). "Mercury concentrations in the human brain and kidneys in relation to exposure from dental amalgam fillings". Swedish dental journal 11 (5): 179–87.PMID 3481133.