eLetters

74 e-Letters

published between 2000 and 2003

  • Are incinerator workers exposed to PCDDs and PCDFs?
    Mohamed Farouk Allam

    Dear Editor

    Kumagai and his colleges [1] have reported that incinerator workers employed at intermittently burning incineration plants were not necessarily exposed to high concentrations of polychlorinated dibenzo-p- dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). The authors conclusions were based on concentrations of PCDDs and PCDFs in serum samples of the workers. I have deep concerns regarding the st...

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  • Re: Critique of Goodman et al.: lead and neurobehavioral test scores in adults
    Michael Goodman

    Dear Editor

    We thank Drs Schwartz and Seeber, as well as their colleagues, for the commentaries on our paper “Neurobehavioral Testing in Workers Occupationally Exposed to Lead: Systematic Reviewand Meta-Analysis of Publications”[1] and would like to respond to their criticisms.

    Response to specific points made by Schwartz et al.:

    (i) “No evaluation of the quality of the evidence from available stu...

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  • TABLE for Re: Critique of Goodman et al.
    Michael Goodman
    Meta-analysis results using two alternative inclusion criteria:(1) five studies that adjusted for age, educational level, and alcohol consumption (age, ed, alc); (2) 13 studies that adjusted for age and educational level (age, ed)

    Test...

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  • Critique of Goodman et al.:Lead and neurobehavioral test scores in adults
    Brian S Schwartz

    Dear Editor

    Whether or not low-to-modest levels of exposure to lead have a detrimental effect on cognition is an important issue given the growing attention, for example, in the United States, that has recently been paid towards potentially revising downward the levels of lead exposure allowed in the workplace. Thus, we read with interest the meta-analysis of studies on this topic that appeared in this journal by...

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  • Letter to the editor concerning Goodman et al.
    Andreas Seeber

    Dear Editor

    The article of Dr Goodman and co-workers on "Neurobehavioral testing in workers occupationally exposed to lead…." [1] covers an interesting approach with a surprising main message: "None of the individual studies is conclusive or adequate in providing information on the subclinical neurobehavioral effects …". Such sentence astonishes a reader since the studies used were selected from established journals...

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  • Re: Suicide mortality among electricians
    Bengt G Jarvholm

    Dear Editor,

    We appreciate dr Wijngaarden´s interest in our report and his suggestion for understanding the differences in risk. Dr Wijngaarden suggests that difference in unemployment rate between electricians and glassworker and wood workers could be an explanation.

    We have no data on employment status at time of death and can therefore not test this hypothesis. However, if employment status is an...

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  • Importance of work intensity on respiratory problems of hairdressers
    Muge Akpinar-Elci

    Dear Editor

    We read the report by Hollund et al[1] with great interest. We agree that there is limited information about the prevalence of airway symptoms caused by highly reactive chemicals in hairdressing salons. In this well designed study, authors focused on age as a risk factor and observed an increased prevalence of respiratory symptoms among the oldest and youngest hairdressers and observed more symptoms among...

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  • Suicide mortality among electricians
    Edwin van Wijngaarden

    Dear Editor,

    Järvholm and Stenberg [1] evaluated suicide mortality rates among electricians ("exposed to electromagnetic fields (EMFs)") and glass and woodworkers ("unexposed to EMFs") in the Swedish construction industry. Standard mortality rates were lower for the two job groups as compared to the Swedish general population. This is likely due to the healthy worker effect. The internal cohort analysis showed...

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  • Complementary and Alternative Medicine in Non-Western Countries
    M K Lim
    Dear Editor

    Ernst and Fugh-Berman (Occup Environ Med 2002; 59: 140-144) state that an estimated 42% of Americans and 20-65% of Europeans are using some form of complementary and alternative medicine (CAM). Unable to find reliable data on non-industrialised countries, however, they speculate that the use of CAM in these countries 'may be ubiquitous'.[1] Indeed, little is known about CAM usage in non-western countries ev...

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  • Mortality from cardiovascular diseases and exposure to inorganic mercury
    B Sjorgren

    Letter to the editor

    Mortality from cardiovascular diseases and exposure to inorganic mercury

    Bengt Sjögren1, Jonas Holme2, Bjørn Hilt2

    1) Toxicology and Risk Assessment Swedish National Institute for Working Life SE-112 79 Stockholm

    Sweden Tel 46 8 730 93 40 Fax 46 8 730 33 12 Email Bengt.Sjogren@niwl.se

    2) Department of Occupational Medicine University Hospital of Trondhe...

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