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Risks and Benefits of Fish Intake
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To the Editor: In the Clinical Review of the health effects of fish intake and contaminants by Drs Mozaffarian and Rimm,1 mercury contamination was evaluated as a potential risk factor for cardiovascular disease, in their Figure 5 and the accompanying text. However, both the figure and the conclusions seem to be misleading because the meta-analysis includes studies that are not relevant to the issue examined. Dentists and participants mainly exposed to inorganic mercury from amalgam should have been excluded.
Also, while the authors note that the 2 studies from Sweden tend to point toward lower CHD risk at higher levels of mercury intake, they do not mention that the overall mercury levels in the Swedish participants are far less than those in the Finns. In addition, one of the Swedish studies2 primarily examined the long-term health effects of inorganic mercury from amalgam fillings, as reflected in the serum concentration, not . . . [Full Text of this Article]
Tomi-Pekka Tuomainen, MD
tomipekka.tuomainen@uku.fi
School of Public Health and Clinical Nutrition
Sari Voutilainen, PhD
Research Institute of Public Health
University of Kuopio
Kuopio, Finland
Staffan Skerfving, MD
Department of Occupational and Environmental Medicine
University Hospital
Lund, Sweden
Jukka T. Salonen, MD
Jurilab Ltd
Kuopio
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