The atherogenic potential of carbon monoxide

  • Carl J. Smith
    Research and Development, Bowman Gray Technical Center, R.J. Reynolds Tobacco Company, Winston-Salem, NC 27102 USA
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  • Thomas J. Steichen
    Correspondence to: Thomas J. Steichen, M.S., R.J. Reynolds Tobacco Company, Research and Development, Bowman Gray Technical Center, P.O. Box 1487, Winston-Salem, NC 27102-1487, USA. Tel.: (919) 741-4084; Fax: (919) 741-3763.
    Research and Development, Bowman Gray Technical Center, R.J. Reynolds Tobacco Company, Winston-Salem, NC 27102 USA
    Search for articles by this author
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      This paper reviews the available evidence concerning the atherogenic potential of carbon monoxide. The evidence comes from two different types of studies — epidemiology studies on populations of humans chronically exposed to carbon monoxide, and animal studies conducted under conditions of controlled exposure to carbon monoxide. Data from both epidemiology and animal studies suggest that carbon monoxide is not atherogenic. Therefore, the increased levels of atherosclerosis associated with smoking as reported in epidemiology studies of human smokers probably cannot be attributed to CO exposure.


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