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Toxicol Lett. 1993 Jun;68(3):307-10.

Evidence that mercury from silver dental fillings may be an etiological factor in smoking.

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Physiology Department, Colorado State University, Fort Collins 80523.

Erratum in

  • Toxicol Lett 1993 Sep;69(3):305.


The smoking habits of 119 subjects without silver/mercury dental fillings were compared to 115 subjects with amalgams. The amalgam group had 2.5-times more smokers per group than the non-amalgam group, which was highly significant. Because mercury decreases dopamine, serotonin, norepinephrine, and acetylcholine in the brain, and nicotine has just the opposite effect on these neurotransmitters, this may help explain why persons with dental amalgams smoke more than persons without amalgams.

[Indexed for MEDLINE]

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