Occupational Exposure

Publication Title: 
International Journal of Occupational and Environmental Health

BACKGROUND: Between 1992 and 2010 in the Costa Rican Caribbean, a social movement coalition called Foro Ema˙s sought to change people's view on problems of high pesticide use in banana production. OBJECTIVE: To understand the formation and membership of Foro Ema˙s, its success period, and its decline. METHODS: Semi-structured interviews of 28 key actors; a questionnaire survey among school personnel (n = 475) in Siquirres, Matina, and Talamanca counties; and secondary data from newspapers, leaflets, and movement documents were used.

Author(s): 
Barraza, Douglas
Jansen, Kees
van Wendel de Joode, Berna
Wesseling, Catharina
Publication Title: 
Journal of Traumatic Stress

Understanding posttraumatic stress disorder (PTSD) symptoms in police first-responders is an underdeveloped field. Using a cross-sectional survey, this study investigated demographic and occupational characteristics, coping resources and processes, along with first-responder roles and consequences 18 months following a disaster. Hierarchical linear regression (N = 576) showed that greater symptom levels were significantly positively associated with negative emotional coping (? = .31), a communications role (? = .08) and distress following exposure to resource losses (?

Author(s): 
Surgenor, Lois J.
Snell, Deborah L.
Dorahy, Martin J.
Publication Title: 
Journal of Cancer Research and Clinical Oncology

In this summary, J. Konietzko (Mainz) stressed the exceptional position of occupational cancer, which is due to the long latent period between exposure to specific carcinogens and cancer manifestation. Obviously, this long latent period of years to decades poses problems in the search for the etiology of occupational cancer. Three methodological areas are instrumental in overcoming these problems. They include epidemiological investigations, in vitro experiments and animal experiments, which have to complement each other.

Author(s): 
Berger, M. R.
Publication Title: 
The Australasian Journal of Dermatology

Allergic contact dermatitis from the topical use of essential oils is not widely recognized as an occupational hazard. Four cases of allergic contact dermatitis to essential oils occurring in three aromatherapists and one chemist with a particular interest in aromatherapy are described. All presented with predominantly hand dermatitis and demonstrated sensitization to multiple essential oils. One patient developed a recurrence of cutaneous symptoms following ingestion of lemongrass tea.

Author(s): 
Bleasel, Narelle
Tate, Bruce
Rademaker, Marius
Publication Title: 
Dermatitis: Contact, Atopic, Occupational, Drug

Lavender is a commonly used product in personal and household care items as well as for aromatherapy. It is increasing in popularity as a fragrance. Additionally, multiple recent publications attest to its antimicrobial activity. Whereas lavender has been associated with irritant dermatitis, allergic contact dermatitis, and photodermatitis, it is anticipated that with increasing exposure, more patients will experience these complications. Most cases of allergic contact dermatitis have been reported as being due to occupational exposures through massage and aromatherapy.

Author(s): 
Wu, Peggy A.
James, William D.
Publication Title: 
Environmental Health Perspectives

In this study, we integrated our understanding of biochemistry, physiology, and metabolism of three commonly used organic solvents with computer simulation to present a new approach that we call "in silico" toxicology. Thus, we developed an interactive physiologically based pharmacokinetic (PBPK) model to predict the individual kinetics of trichloroethylene (TCE), perchloroethylene (PERC), and methylchloroform (MC) in humans exposed to differently constituted chemical mixtures of the three solvents. Model structure and parameterization originate from the literature.

Author(s): 
Dobrev, Ivan D.
Andersen, Melvin E.
Yang, Raymond S. H.
Publication Title: 
Journal of Bodywork and Movement Therapies

A survey was administered to registered massage therapists (RMT) across Canada to determine the prevalence of musculoskeletal pain and discomfort to the low back, shoulders, neck, wrist and thumbs associated with therapeutic treatments. A total of 502 RMT responded to the survey. Despite the majority of the respondents indicating they received proper training in therapy postures and self-care, there was a high prevalence of pain reporting to all areas of the upper extremity.

Author(s): 
Albert, Wayne J.
Currie-Jackson, Nadine
Duncan, Carolyn A.
Publication Title: 
Voprosy Kurortologii, Fizioterapii, I Lechebnoĭ Fizicheskoĭ Kultury

The present study included 67 patients who had been exposed to the impact of inorganic fluoride compounds. It demonstrated beneficial effect of magnetolaser therapy in combination with whole body iodine-bromide-sodium chlorine baths, physical exercises, and massage on clinical manifestations of the primary disease and concomitant pathologies. Simultaneously, metabolic processes in the articular cartilage and bone tissue were normalized, lipid peroxidation was improved and optimization of antioxidative protection achieved.

Author(s): 
Fedorov, A. A.
Riabko, E. V.
Gromov, A. S.
Publication Title: 
Environmental Health Perspectives

BACKGROUND: Hypospadias is one of the most common urogenital congenital anomalies affecting baby boys. Prevalence estimates in Europe range from 4 to 24 per 10,000 births, depending on definition, with higher rates reported from the United States. Relatively little is known about potential risk factors, but a role for endocrine-disrupting chemicals (EDCs) has been proposed. OBJECTIVE: Our goal was to elucidate the risk of hypospadias associated with occupational exposure of the mother to endocrine-disruptor chemicals, use of folate supplementation during pregnancy, and vegetarianism.

Author(s): 
Ormond, Gillian
Nieuwenhuijsen, Mark J.
Nelson, Paul
Toledano, Mireille B.
Iszatt, Nina
Geneletti, Sara
Elliott, Paul
Publication Title: 
Occupational Medicine (Oxford, England)

The effects of exposure to carbon disulphide have been studied mostly among workers in the viscous rayon industry, where the usual exposure profile has been relatively steady exposure over work shifts. We investigated 13 workers in a small chemical company who were exposed to low levels, peaking intermittently to relatively high levels in the range of 100-200 ppm at the end of the work shift, a pattern that may change the risk profile. Our investigation was part of a compliance order that was fought by the company and our access and follow-up was limited.

Author(s): 
Guidotti, T. L.
Hoffman, H.

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