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Browsing by Author "Dalvie, Mohamed Aqiel"

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A prospective cohort study on ambient air pollution and respiratory morbidities including childhood asthma in adolescents from the western Cape Province: study protocol

Author: Olaniyan, Toyib ; Jeebhay, Mohamed ; Röösli, Martin ; Naidoo, Rajen ; Baatjies, Roslynn ; KYnzil, Nino ; Tsai, Ming ; Davey, Mark ; de Hoogh, Kees ; Berman, Dilys ; Parker, Bhawoodien ; Leaner, Joy ; Dalvie, Mohamed Aqiel Date: 2017 Abstract Background There is evidence from existing literature that ambient air pollutant exposure in early childhood likely plays an important role in asthma exacerbation and other respiratory symptoms, with greater effect among asthmatic ... Read more
A prospective cohort study on ambient air pollution, airborne pollen (and fungal spores) and respiratory morbidities including childhood asthma in adolescents from the Western Cape Province

Author: Olaniyan, Toyib Adedamola Date: 2018 Background: The epidemiological studies investigating environmental risk factors associated with asthma among children living in informal settlements are scant as are studies on the independent and co-pollutant effect of short- and long-term ... Read more
Anthropometric measurements, sexual development and serum reproductive hormonal levels among boys in the rural Western Cape

Author: Mao, Jun Date: 2016 Background: Our previous epidemiological study have investigated the effect of pesticides on growth of boys in the Western Cape rural area, in this cross-sectional study, we extend those initial observation into a more detailed exploration ... Read more
Demographic determinants of chemical safety information recall in workers and consumers in South Africa

Author: Sathar, Farzana Date: 2015 Chemical hazard communication is intended to alert users of the potential hazards of chemicals. Apart from the fact that hazard information should be understood, it is also important that it should be recalled. Recall of hazard communication ... Read more
Genetic polymorphisms and organophosphate neurotoxicity amongst emerging farmers in the Western Cape

Author: Glass, Tracy Date: 2016 BACKGROUND: Long-term exposure to organophosphates (OPs) can cause chronic neurotoxic effects which may be modulated by genetic polymorphisms of xenobiotic metabolising enzymes (XMEs). No previous study investigated XME modulation of neurotoxicity ... Read more
Health risk perception of Karoo residents related to fracking, South Africa

Author: Willems, Mieke Date: 2015 Shale gas exploration by means of Hydraulic Fracturing (fracking) has been on the South African (SA) energy agenda since 2010 as a potential alternative energy source to coalmining. Internationally, the desirability of fracking is debated due ... Read more
The long-term respiratory health effects of the herbicide, paraquat, among Western Cape workers

Author: Dalvie, Mohamed Aqiel Date: 1996 Objective: Paraquat is a commonly used herbicide worldwide and is a well-documented cause of pulmonary fibrosis in studies of laboratory animals and in humans following high dose exposure (usually accidental or as parasuicide). The respiratory ... Read more
Neurobehavioural effects of pesticide exposure among emerging farmers in the Western Cape

Author: Holtman, Zelda Date: 2013 The number of emerging farmers is increasing in South Africa. This study investigated neurotoxic effects resulting from long-term low-level exposure to organophosphate pesticides amongst emerging farmers. A cohort study involving 319 (66% ... Read more
The relationship between environmental exposures to pesticides measured by means of environmental exposure indices and the anthropomentric outcomes of boys living on farms in the rural Western Cape

Author: Ochieng, Anne Achieng Date: 2011 Few epidemiological studies have investigated the effect of pesticides on growth of boys and results are conflicting. Pesticide environmental exposure indices have not previously been developed. To investigate the effect of pesticide exposure ... Read more
The relationship between pesticide metabolites and asthma outcomes among women farm workers

Author: Mwanga, Hussein Hassan Date: 2013 Various studies have demonstrated an association between exposure to pesticides and adverse respiratory health outcomes including non-specific respiratory symptoms, rhinitis and asthma. Few studies have investigated the relationship between ... Read more
Relationship between pesticide residue levels and neurotoxicity among women on farms in the Western Cape

Author: Motsoeneng, Marnonyowe Portia Date: 2014 Farm workers and residents living in and around farms are exposed to pesticides. Women are vulnerable to health risks posed by pesticides. To date there are few studies that have investigated the relationship between pesticide residues in ... Read more
The reproductive health effects of along term DDT exposure on malaria vector control workers in Northern Province, South Africa

Author: Dalvie, Mohamed Aqiel Date: 2002 Metabolites of DDT (1, 1, 1-trichloro-2,2-bis(p-chlorophenyl)ethane), used in many developing countries including South Africa for the control of malaria vectors, have been shown to be endocrine disruptors in vitro and in vivo. The study ... Read more
Respiratory allergy and asthma associated with pesticide exposure amongst women in rural Western Cape

Author: Ndlovu, Vuyelwa Date: 2012 Pesticide exposure has been increasingly associated with adverse respiratory health effects including asthma and allergy. However, few studies have been conducted among women and workers in developing countries. South Africa is one of the ... Read more
The Impact of Extreme Weather Events on Mental Health in Africa: A Mixed-Methods Systematic Review

Author: Deglon, Michaele Date: 2022 Introduction: The psychosocial impacts of extreme weather events are contributing to the burden of mental illness, exacerbated by pre-existing vulnerabilities. Despite an emerging global interest in this association, Africa remains poorly ... Read more
The relationship between urinary organophosphate pesticide residues and reproductive development among boys living in the rural Western Cape

Author: Monate, Pearl Naledi Date: 2018 Background: Many contemporary agricultural pesticides are hormonally active, but few previous studies have investigated their effect on the reproductive health and growth of pubertal boys. A previous analysis found significant differences in ... Read more