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Shisha (waterpipe) smoking initiation among youth in Malaysia and global perspective: a scoping review (2006-2015)

Singh SK, Enzhong L, Reidpath DD, Allotey P

Public Health, 2017 Mar;144:78-85.
PMID: 28274388 DOI: 10.1016/j.puhe.2016.11.022

OBJECTIVE: To explore the initiating factors of waterpipe tobacco smoking (WTS) among youth.
STUDY DESIGN: The analytic framework for this scoping review was performed using the methodology outlined by Arksey and O'Malley, which includes identification of the research question, study selection, charting the data, collating, summarizing and reporting the results that were primarily guided by the research question; 'what is known about the initiation of shisha smoking among youth?'
METHODS: Electronic databases such as Cochrane, MEDLINE and PsycINFO were used to search for relevant articles. Articles included were all in English and published within the year of 2006 to 2015. Inclusion criteria; i) age range of 10 to 29 years; ii) examined the reasons why youth started or tried WTS; iii) in full text. Therefore, 26 articles were included in this scoping review.
RESULTS: This review has identified and classified the initiating factors of WTS among youth in four subtopics: individual factors, interpersonal influences, cigarettes and alcohol use, and media influences. Individual factors and interpersonal influences played an important role in initiation factors of WTS among youth.
CONCLUSION: This study concludes that public health professionals within the Southeast Asia region need to promote innovative preventive measures through peer-to-peer led interventions that are also easily assessable on social media platforms. The public health messages need to address the misconceptions of risk associated to WTS use.

Matched MeSH terms: Social Environment
Tropical medicine and industrial development

Waddy BB

J Trop Med Hyg, 1974 Apr;77(4):s:19-21.
PMID: 4841357
Matched MeSH terms: Social Environment
Fulltext Faculty development: mini-CEX as workplace-based assessment

Shahid Hassan

Education in Medicine Journal, 2011;3(1):12-21.
MyJurnal

Background: Competence-based curriculum has become the need of medical education to meet the objectives of institutions aiming to produce skilled physicians. To achieve the optimal competence and performance of graduates a number of traditional evaluation exercises have been practiced. Some of these e.g. OSCE although meet the acceptable standard of reliability and validity is the assessment done in a controlled environment. This leaves the room for performance-based assessment in real clinical situation such as mini clinical evaluation exercise (Mini-CEX). To practice and meet the challenges of Mini-CEX it is vital to undertake faculty development program with a comprehensively chalked down Mini-CEX protocol and its objectives to achieve the intended outcome. Objective: To undertake faculty development on Mini-CEX for its feasibility and acceptability as a method of formative assessment to evaluate the clinical competence of trainees in postgraduate program of Otolaryngology and Head-Neck Surgery. Method: 25 trainees from the four classes of master of surgery program of 2009 in Otolaryngology and Head-Neck Surgery (ORL-HNS) undertook Mini-CEX encounters and assessed by 9 supervisors in a 12-week period of study. Faculty development program was carried out through prior lectures deliberating on background, concept and procedure of Mini-CEX followed by demonstrations using video clip of Mini-CEX encounter recorded in own clinical environment. Students were also exposed to similar settings to take up the Mini-CEX encounter without any hesitation. Trainees were assessed in outpatient clinical setting. Program was evaluated for its feasibility and acceptability with respect to patient’s factors, clinical attributes, supervisor and trainee’s performance and their reported level of satisfaction.
Result: Faculty development and trainees orientation in Min-CEX was achieved as feasible and acceptable. Higher rating of satisfaction was reported by majority assessors and trainees as they found Mini-CEX acceptable for formative assessment. Among clinical skills highest rating was received in physical examination and lowest rating in therapeutic skills. Conclusion: A motivated faculty and organized approach towards a comprehensive knowledge on Mini-CEX for its background communication, demonstration of procedure and method to complete the rating forms is the useful guide to adopt Mini-CEX. The faculty and trainees in department of ORL-HNS found Mini-CEX as feasible and acceptable assessment tool to monitor educational activity of postgraduate program through performance-based evaluation in a real clinical situation.

Matched MeSH terms: Environment, Controlled
Fulltext Faculty development: DOPS as workplace-based assessment

Shahid Hassan

Education in Medicine Journal, 2011;3(1):32-43.
MyJurnal

Background: In order to achieve the desired performance of graduates a number of traditional evaluation exercises have been practiced to assess their competence as medical students. Many of these assessments are done in a controlled environment and mostly reflect on tests of competence than performance. Mini-CEX or direct observed procedural skills (DOPS) are the real performance-based assessment of clinical skills. Increased opportunity for observation and just-in-time feedback from the role model superiors produce a positive educational impact on students learning. This also provides trainees with formative assessment to monitor their learning objectives. However, to implement assessment strategies with Mini-CEX or DOPS needs to develop institution’s clear policy for a different teaching and learning culture of workplace based assessment. It also needs to develop user friendly rating form, checklist, elaboration of clinical competence and its attributes and procedural guidelines for practice. A precise role of these tools in the assessment of postgraduate program must be established before practicing them to evaluate and monitor trainee’s progress.
Objective: To determine DOPS for its acceptability and feasibility as a method of formative assessment of clinical skills in postgraduate program of Otolaryngology and Head-Neck Surgery.
Method: A total of 25 trainees were assessed for DOPS by 8 supervisors in this 12-weeks pilot study. A faculty development program for faculty members and trainees was run for DOPS. Trainees were advised to undertake at least one DOPS encounter out of 42 shortlisted procedures. Assessors were asked to mark trainees by completing a rating form using a checklist developed for each procedure. Trainees and assessors were asked to endorse their opinion on feasibility and acceptance of DOPS for practice of formative assessment in future. Data was analyzed to determine feasibility and acceptability of DOPS in assessment program. Result: Faculty development and trainees orientation in DOPS were found satisfactory for its acceptance and feasible for its practice. Trainees were mostly assessed in outpatient clinical setting. Majority reported higher rating of satisfaction by assessors and trainees. Among clinical skills higher rating was received in procedural skills performed by the senior trainees. Conclusion: DOPS was found feasible for practice of formative assessment of trainees in postgraduate program of Otolaryngology and Head-Neck Surgery in School of Medical Sciences (SMS) at Universiti Sains Malaysia (USM). It was well accepted by the trainees to help monitor their quality of procedural skills as self-directed learning.

Matched MeSH terms: Environment, Controlled
Fulltext Psychometric properties of the Medical Student Wellbeing Index at different interval of measurements in a cohort of medical students

Muhamad Saiful Bahri Yusoff, Mohd Jamil Yaacob, Naing, Nyi Nyi, Ab Rahman Esa

Education in Medicine Journal, 2013;5(4):21-28.
MyJurnal

Background: One of important educational climate roles is to provide an environment that promotes positive development of medical students' psychological wellbeing during training. Unfortunately, many studies have reported that educational climate in medical education are not favourable to them. Therefore, it is a real need for a simple, valid, reliable and stable tool that will help medical schools to screen psychological wellbeing of their students so that early intervention could be done.
Objective: This study aimed to explore the psychometric properties of the Medical Student Wellbeing Index (MSWBI) to measure psychological wellbeing at different interval of measurements in a cohort of medical students.

Method: A prospective study was done on a cohort of medical students. MSWBI was administered to the medical students at five different intervals. The confirmatory factor analysis, Cronbach's alpha and intra-class correlation analysis were applied to measure construct validity, internal consistency and agreement level at different interval of measurements.

Result: A total of 153 (89.5%) medical students responded completely to the MSWBI. The MSWBI showed that the one-factor model had acceptable values for most of the goodness of fit indices signified its construct was stable across multiple measurements. The overall Cronbach's alpha values for the MSWBI at the five measurements ranged between 0.69 and 0.78. The ICC coefficient values for the MSWBI total score was 0.58 to 0.59.

Conclusion: This study found that the MSWBI had stable psychometric properties as a screening tool for measuring psychological wellbeing among medical students at different time and occasions. Continued research is required to refine and verify its psychometric credentials at different educational settings.

Matched MeSH terms: Environment
Fulltext Climate change and its impact on public health – a review of the global environment

Ambu, Stephen

International e-Journal of Science, Medicine & Education, 2012;6(10):0-0.
MyJurnal

Climate change is a product of human actions. The extreme events such as flash floods, droughts, heat waves, earthquakes, volcano eruptions and tsunamis seen in the world today are the result of indiscriminate human intrusion into the environment. Vulnerable countries and populations are the most affected by these climatic events. This places a burden on the resources of these countries. The Kyoto Protocol is a milestone in environmental management and the impetus created by it must be maintained by carrying out the much needed research into appropriate mitigating measures that will alleviate the climate
change impact globally. A paradigm shift is needed in addressing the associated risks on human health to assess socioeconomic determinants and the related impacts on disease burden. Some wealthy nations emphasize economic benefits and downplay sustainability goals, health and equality. However the rising cost of energy is beginning to influence their outlook towards this issue. The implications on economics, human health and wellbeing are implicit. In order to strike a balance between disadvantaged and privileged nations, many
international agencies are spearheading various research agenda to improve adaptation programmes on effects of changing climatic conditions on health. Malaysia too has such programmes initiated under its 5-year development plans.

Matched MeSH terms: Environment
Fulltext Quality of life among young adults in rural Selangor: a cross-sectional study

Norfazilah, A., Azmawati, M.N, Madihah, M

Malaysian Journal of Public Health Medicine, 2015;15(1):0-0.
MyJurnal

This study aimed at measuring the quality of life (QOL) among young adults in rural area of Selangor, and determined the factors that affect the QOL scores. A cross-sectional study was conducted among young adults aged 18 to 39 years in rural area of Hulu Langat district, Selangor with a total sample of 308 selected through simple random sampling. Validated Malay version of WHOQOL-BREF questionnaire was used to measure the QOL, which generated overall QOL score and four domains’ scores of physical health, psychological health, social relationship and environmental QOL. The results showed that the highest mean score was social relationship domain 67.07 (18.87), followed by overall QOL 65.10 (17.92), environmental QOL domain 64.88 (12.83), psychological health domain 60.67 (11.88) and physical health domain 58.23 (11.00). Variables such as unemployment, having chronic diseases and mental distress were found to lower the QOL score.

Matched MeSH terms: Environment
Fulltext Managing obesity in Malaysian schools: are we doing the right strategies?

Vikneswaran A/L Sabramani, Idayu Badila Idris, Rosnah Sutan, Zaleha Md. Isa, Saidatul Norbaya Buang, Hasanain Faisal Ghazi

Malaysian Journal of Public Health Medicine, 2015;15(2):75-83.
MyJurnal

The evolution in lifestyle and dietary habits of the Malaysian people that have taken place over the last few decades can be largely attributed to both family and social environment. These factors are known to affect the nutritional status of the community, in both children and adults. Reduced physical activity and changes in their diet have been one of the contributing factors to the rising prevalence of overweight and obesity. However, in Malaysia, in which nutrition transition has been a norm, it is worrying when the trends of overweight and obesity have been rising steadily over the years especially among children. Although numerous strategies to control obesity in Malaysia have been taking place, many had shown little effect. Analysing strategies implemented at national level is thus crucial in order to ascertain reasons for the shortfalls of these strategies especially among children. Obesity most commonly begins as early as the ages of 5 and 6 years, or during adolescence. Obesity is indeed a major public health concern due to its huge negative impact on the society at large which is well supported by evidence-based literatures. Managing this issue is complex and holistic approach is thus crucial in reducing its incidence and prevalence.

Matched MeSH terms: Social Environment
The distribution and ecology of Bakerocoptes cynopteri (Sarcoptiformes: Bakerocoptidae) in Malaysia

Beck AJ

Acta Trop, 1969;26(3):270-4.
PMID: 4391240
Matched MeSH terms: Environment
Fulltext Systems perspectives in agricultural education, research and development: A vision for sustaining food security in Asia

C. Devendra

ASM Science Journal, 2013;7(2):152-165.
MyJurnal

Systems perspectives are fundamental in driving technological improvements and yield-enhancing strategies that improve agricultural productivity. These can resolve farmerʼs problems and are important pathways for sustaining food and nutritional security for human welfare in Asia. The essential determinants of this objective are the capacity to efficiently manage the natural resource base (land, crops, animals, and water) to resolve constraints to farming systems, and notably the integration of multiple research and development (R&D) issues through all levels of formal and non-formal learning systems. Both formal and informal education systems are important, with the former relating more to universities and colleges, and the latter to the intermediate level. Graduates from this level have the primary responsibility of introducing improved technologies and change to farmers, mainly along production and disciplinary pathways.The traditional research–extension–farmer model for technology delivery is no longer acceptable, due to “top down” extension functions and prescriptions, ineffectiveness to cope with the dynamics of production systems, complex interactions within the natural resources, effects of climate change and globalisation. There are also reservations on the technical capacity and skills of extension agents, constraints identification, methods for technology diffusion and dissemination, and innovative use of beneficial technological improvements that can directly respond to the needs of small farmers, and impact on subsistence agriculture. Agricultural education and systems perspectives are therefore an overriding compelling necessity which transcends prevailing limitations to waning agriculture and rural growth. Their wider recognition and applications provides an important means to maximise efficiency in the potential use; of the natural resources, increase engagement and investments in agriculture, promote ways to become more self-reliant in the development of crucial new technologies and intensification. These together can meet the challenges of the future and overcome the legacy of continuing poverty, food and nutritional insecurity. Asian farming systems, with their diversity of crops and animals, traditional methods, multiple crop-animal interactions, numerous problems of farmers present increasingly complex issues of natural resource management (NRM) and the environment. Many if not all of these can only be resolved by interdisciplinary R&D, which overcomes a major weakness of many R&D programmes presently and in the past. Improved education and training is a powerful and important driver of community-based participation aimed at enhancing sustainable food security, poverty reduction and social equity in which the empowerment of women in activities that support organising themselves is also an important pathway to enhance self-reliance and their contribution to agriculture. A vision for the future in which improved agricultural education in a systems context can provide the pathway to directly benefit the revitalisation of agriculture and agricultural development is proposed with a three-pronged strategy as follows:
Define policy for the development of appropriate curricular for formal agricultural education that provides strong multi-disciplinary orientation and improved understanding of the natural resources (land, crops, animals and water) and their interactions
Organise formal degree education and specialisation at the university level that reflects strong training in understanding of agricultural systems; systems perspectives, methodologies and their application, and
Define non-formal education and training needs that can be intensified at different levels, including the trainin of trainers as agents of change.

Matched MeSH terms: Environment
Employing a CGE model in analysing the environmental and economy-wide impacts of CO2emission abatement policies in Malaysia

Yahoo M, Othman J

Sci Total Environ, 2017 Apr 15;584-585:234-243.
PMID: 28152460 DOI: 10.1016/j.scitotenv.2017.01.164

The impact of global warming has received much international attention in recent decades. To meet climate-change mitigation targets, environmental policy instruments have been designed to transform the way goods and services are produced as well as alter consumption patterns. The government of Malaysia is strongly committed to reducing CO2gas emissions as a proportion of GDP by 40% from 2005 levels by the year 2020. This study evaluates the economy-wide impacts of implementing two different types of CO2emission abatement policies in Malaysia using market-based (imposing a carbon tax) and command-and-control mechanism (sectoral emission standards). The policy simulations conducted involve the removal of the subsidy on petroleum products by the government. A carbon emission tax in conjunction with the revenue neutrality assumption is seen to be more effective than a command-and-control policy as it provides a double dividend. This is apparent as changes in consumption patterns lead to welfare enhancements while contributing to reductions in CO2emissions. The simulation results show that the production of renewable energies is stepped up when the imposition of carbon tax and removal of the subsidy is augmented by revenue recycling. This study provides an economy-wide assessment that compares two important tools for assisting environment policy makers evaluate carbon emission abatement initiatives in Malaysia.

Matched MeSH terms: Environment; Environmental Policy
Fulltext The environment: an agricultural perspective on what we know and what we need to know

Devendra, C.

ASM Science Journal, 2015;9(1):1-20.
MyJurnal

The natural environment embraces agriculture and all its components-crops, animals, land, water,
forestry and fisheries. It is the most important user of environmental resources, made more complex
by the interactions of the various systems, biophysical elements and their implications. Increased food
production, especially of animal protein supplies are unable to meet current and projected future needs
for humans, including about 15 %of the world population being malnourished. Agriculture is currently
waning, and a coordinated and concerted technologically-driven transformation is necessary. Poorly
managed agriculture for example, can lead to serious environmental degradation and exacerbate
poverty. Land and water are considered to be the most limiting factors in the future. Non- irrigated
rainfed areas can be divided into high potential and low potential areas; the former offers considerable
promise to expand food production. This paper argues for increased Research and Development (R&D)
focus that can maximise improved natural resource management(NRM), and whether agricultural
development can maximise productivity yields .Other opportunities include expanding crop–animal
production systems in less favoured areas (LFAs), intensifying land use for silvopastoral systems in
rainfed areas , and enhance carbon sequestration. Ruminants can be used as an entry point for the
development of LFAs, and the presence of about 41.5% of the goat population found in the semi-arid/
arid AEZs X provides good opportunities for expanding food security and human well-being. Communitybased
interdisciplinary and systems approaches are essential to provide the solutions. The legacy of
continuing malnutrition and food insecurity must be overcome by effective development policy, multidonor
resource allocation, governance and political will that target food insecurity and poverty. The R&D
agendas and resource allocations are compelling, but dedicated vision can lead the way for sciencedriven
sustainable environment, efficiency in NRM, and self-reliance to the extent possible , in harmony
with nature and the environment.

Matched MeSH terms: Environment
Evaluation on the decomposability of tropical forest peat soils after conversion to an oil palm plantation

Sangok FE, Maie N, Melling L, Watanabe A

Sci Total Environ, 2017 Jun 01;587-588:381-388.
PMID: 28242223 DOI: 10.1016/j.scitotenv.2017.02.165

To understand the variations in the decomposability of tropical peat soil following deforestation for an oil palm plantation, a field incubation experiment was conducted in Sarawak, Malaysia. Peat soils collected from three types of primary forest, namely Mixed Peat Swamp (MPS; Gonystylus-Dactylocladus-Neoscrotechinia association), Alan Batu (ABt; Shorea albida-Gonstylus-Strenonurus association), and Alan Bunga (ABg; Shorea albida association), were packed in polyvinyl chloride pipes and installed in an oil palm plantation. Carbon dioxide (CO2) and methane (CH4) fluxes from soil were monthly measured for 3years. Environmental variables including soil temperature, soil moisture content, and groundwater table were also monitored. The pH, loss on ignition, and total carbon (C) content were similar among the three soils, while total N content was larger in the MPS than in the ABg soils. Based on13C nuclear magnetic resonance (NMR) spectroscopy, C composition of the MPS and ABg soils was characterized by the largest proportion of C present as alkyl C and O-alkyl C, respectively. The C composition of the ABt soil was intermediate between the MPS and ABg soils. The CO2fluxes from the three soils ranged from 78 to 625mgCm-2h-1with a negative correlation to groundwater level. The CH4fluxes ranged from -67 to 653μgCm-2h-1. Both total CO2and CH4fluxes were larger in the order ABg>ABt>MPS (P<0.05). Annual rate of peat decomposition as was estimated from cumulative C loss differed up to 2 times, and the rate constant in exponential decay model was 0.033y-1for the MPS soil and 0.066y-1for the ABg soil. The field incubation results of the three forest peat soils seem to reflect the difference in the labile organic matter content, represented by polysaccharides.

Matched MeSH terms: Gene-Environment Interaction
Fulltext Assessment of traffic noise and the association with non auditory effect among shop lot workers in Kajang, Selangor

Mohd Zahiruddin Zukfali, Haliza Abdul Rahman

Malaysian Journal of Public Health Medicine, 2016;16(10):0-0.
MyJurnal

The objective of study is to determine traffic noise level and non-auditory effect among shop lot workers at Kajang Selangor. This cross sectional study was carried to study traffic noise exposure with annoyance and work performance level among shop lot workers in Jalan Mendaling, JalanTukang and Jalan Sulaiman at Kajang town, Selangor. This study involves 120 shop lot workers that exposed to the traffic noise during their working hours where they are randomly selected. Noise exposure was estimated using the Sound Level Meter for environmental noise. The traffic volume was recorded using video recorder and calculated using tally counter. One set questionnaire consist standard questionnaire was used to assess the annoyance level and work performance level among the respondents. Respondents were predominantly by male which are 94 and female, 26 respondents. The mean age of the respondent were ranged between 41 to 60 years old. Only 12.5% of respondent are ranged 21 until 30 years old. In total of 120 respondent, 54.2% of them are Chinese while Malay and India only 30% and 15.8% respectively. The result showed that the traffic noise level at study areas are exceeded the permissible sound limit of commercial and business area during daylight which is 70 dB(A). Regarding work performance, 94 respondents are having low work performance level and 82% of respondent high annoyance level during the exposure of traffic noise from four different sources which are noise from the traffic, speeding vehicle, high traffic volume and exhaust system. There is a significant relationship between traffic noise level with work performance level (p=0.001) and annoyance level (p=0.026). The average traffic noise (Laeq) level at Jalan Mendaling, Jalan Tukang and Jalan Sulaiman is 71.19 dB(A) which were high and exceeds permissible sound level from road traffic, commercial and business place at day time, 70 dB(A). The exposure from the traffic noise effect the annoyance level and work performance level among the shop lot worker. In order to reduce traffic noise exposure towards the shop lot workers, some recommendation are needed to control the traffic noise such as build a noise barrier, plant trees and also enforcement of legal requirement in noise level.

Matched MeSH terms: Environment
Technology, knowledge systems, population dynamics, and coastal ecosystems

Williams MJ

Ambio, 2002 Jun;31(4):337-9.
PMID: 12174604
Matched MeSH terms: Environment
Predicting type 2 diabetes using genetic and environmental risk factors in a multi-ethnic Malaysian cohort

Abdullah N, Abdul Murad NA, Mohd Haniff EA, Syafruddin SE, Attia J, Oldmeadow C, et al.

Public Health, 2017 Aug;149:31-38.
PMID: 28528225 DOI: 10.1016/j.puhe.2017.04.003

OBJECTIVE: Malaysia has a high and rising prevalence of type 2 diabetes (T2D). While environmental (non-genetic) risk factors for the disease are well established, the role of genetic variations and gene-environment interactions remain understudied in this population. This study aimed to estimate the relative contributions of environmental and genetic risk factors to T2D in Malaysia and also to assess evidence for gene-environment interactions that may explain additional risk variation.
STUDY DESIGN: This was a case-control study including 1604 Malays, 1654 Chinese and 1728 Indians from the Malaysian Cohort Project.
METHODS: The proportion of T2D risk variance explained by known genetic and environmental factors was assessed by fitting multivariable logistic regression models and evaluating McFadden's pseudo R(2) and the area under the receiver-operating characteristic curve (AUC). Models with and without the genetic risk score (GRS) were compared using the log likelihood ratio Chi-squared test and AUCs. Multiplicative interaction between genetic and environmental risk factors was assessed via logistic regression within and across ancestral groups. Interactions were assessed for the GRS and its 62 constituent variants.
RESULTS: The models including environmental risk factors only had pseudo R(2) values of 16.5-28.3% and AUC of 0.75-0.83. Incorporating a genetic score aggregating 62 T2D-associated risk variants significantly increased the model fit (likelihood ratio P-value of 2.50 × 10(-4)-4.83 × 10(-12)) and increased the pseudo R(2) by about 1-2% and AUC by 1-3%. None of the gene-environment interactions reached significance after multiple testing adjustment, either for the GRS or individual variants. For individual variants, 33 out of 310 tested associations showed nominal statistical significance with 0.001

Matched MeSH terms: Gene-Environment Interaction
Fulltext Host and environmental factors that influence Plasmodiu Knowlesi Mamlaria infection in humans: a systematic review

Michal Christina Steven

Borneo Epidemiology Journal, 2020;1(2):104-115.
MyJurnal

Introduction:Plasmodium knowlesi(P.knowlesi) is a zoonotic malaria parasite, transmitted between non-factors” or “individual factors” or “ecological factors” and “P.knowlesi” and “human” including human primate hosts by the Anopheles (An.) mosquitos, and causing spill-over infections in humans where the parasite, vector, host, and human converge
Methods:The search was done electronically toexplore for appropriate papers viaPubMed, and Science Direct for articles published up to March 2020, containing the words “factors associated” or “environmental synonyms and Medical Subject Heading (MeSH) terms. A total of 27 articles from PubMed Databases and 18 articles from Science Direct were selected to be assessed for eligibility. Out of it, a total of 13 articles were selected to be analysed.
Results:Host factors such as sex and age, as well as occupation as individual factors, while environmental factors such as rainfall and geographic elevation have some association with P.knowlesiinfection in humans. This zoonotic malaria poses unique challenges that will need to be addressed if all forms of malaria are to be eliminated based on the sustainable development goal (SDG)
Conclusion:This article highlights the importance of disease ecologies such as climate and landscape and human-environment interactions such as the land use patterns, such as agriculture or infrastructure activities) to reduce the further increase of cases and mortality globally due to P.knowlesiinfection. This review focuses mainly on the host and environmental factors that influence P.knowlesiMalaria Infection in Humans

Matched MeSH terms: Gene-Environment Interaction
Need for developing a security robot-based risk management for emerging practices in the workplace using the Advanced Human-Robot Collaboration Model

Zheyuan C, Rahman MA, Tao H, Liu Y, Pengxuan D, Yaseen ZM

Work, 2021;68(3):825-834.
PMID: 33612525 DOI: 10.3233/WOR-203416

BACKGROUND: The increasing use of robotics in the work of co-workers poses some new problems in terms of occupational safety and health. In the workplace, industrial robots are being used increasingly. During operations such as repairs, unmanageable, adjustment, and set-up, robots can cause serious and fatal injuries to workers. Collaborative robotics recently plays a rising role in the manufacturing filed, warehouses, mining agriculture, and much more in modern industrial environments. This development advances with many benefits, like higher efficiency, increased productivity, and new challenges like new hazards and risks from the elimination of human and robotic barriers.
OBJECTIVES: In this paper, the Advanced Human-Robot Collaboration Model (AHRCM) approach is to enhance the risk assessment and to make the workplace involving security robots. The robots use perception cameras and generate scene diagrams for semantic depictions of their environment. Furthermore, Artificial Intelligence (AI) and Information and Communication Technology (ICT) have utilized to develop a highly protected security robot based risk management system in the workplace.
RESULTS: The experimental results show that the proposed AHRCM method achieves high performance in human-robot mutual adaption and reduce the risk.
CONCLUSION: Through an experiment in the field of human subjects, demonstrated that policies based on the proposed model improved the efficiency of the human-robot team significantly compared with policies assuming complete human-robot adaptation.

Matched MeSH terms: Social Environment
An integrated life cycle multi-objective optimization model for health-environment-economic nexus in food waste management sector

Lin Z, Ooi JK, Woon KS

Sci Total Environ, 2022 Apr 10;816:151541.
PMID: 34774629 DOI: 10.1016/j.scitotenv.2021.151541

Food waste is a universal problem in many countries. In line with Sustainable Development Goals 7 and 12, it is crucial to identify a cost-effective food waste valorization management framework with the least human health and environmental impacts. However, studies on the synergistic effect of life cycle assessment and mathematical optimization interconnected with human health, environment, and economic are relatively few and far between; hence they cannot provide holistic recommendations to policymakers in developing environmental and economic feasibility of food waste management frameworks. Taking Malaysia as a case study, this study proposes a simple and deterministic model that integrates life cycle assessment and multi-objective mathematical optimization to unpack the health-environment-economic wellbeing nexus in food waste management sector. The model evaluates the life cycle human health, environmental, and economic impacts of five food waste disposal and valorization technologies: open landfill, sanitary landfill, aerated windrow composting, high-temperature drying sterilization, and anaerobic digestion, and identifies the optimal food waste valorization configuration solution in Malaysia. Based on the results modeled by SimaPro 9.0 and General Algebraic Modeling System with augmented ε-constraint, valorization of food waste into electricity via anaerobic digestion is the most favorable option, with 146% and 161% reduction of human health and ecosystems, respectively, as compared with open landfill. If cost is combined as an objective function with human health and ecosystems, high-temperature drying sterilization is the most attractive scenario due to the high livestock feed revenue. Among the 10 Pareto-optimal solutions, 9% sanitary landfill, 3% aerated windrow composting, 30% high-temperature drying sterilization, 30% anaerobic digestion to electricity, and 28% anaerobic digestion to cooking gas, is recommended as future food waste management configuration. The sensitivity results demonstrate that prices of electricity, cooking gas, and livestock feed affect the optimal configuration food waste management system.

Matched MeSH terms: Environment
Ectoparasite infestation patterns of domestic dogs in suburban and rural areas in Borneo

Wells K, Beaucournu JC, Durden LA, Petney TN, Lakim MB, O'Hara RB

Parasitol Res, 2012 Aug;111(2):909-19.
PMID: 22526293 DOI: 10.1007/s00436-012-2917-7

Domestic dogs, Canis lupus, have been one of the longest companions of humans and have introduced their own menagerie of parasites and pathogens into this relationship. Here, we investigate the parasitic load of 212 domestic dogs with fleas (Siphonaptera) chewing lice (Phthiraptera), and ticks (Acarina) along a gradient from rural areas with near-natural forest cover to suburban areas in Northern Borneo (Sabah, Malaysia). We used a spatially-explicit hierarchical Bayesian model that allowed us to impute missing data and to consider spatial structure in modelling dog infestation probability and parasite density. We collected a total of 1,968 fleas of two species, Ctenocephalides orientis and Ctenocephalides felis felis, from 195 dogs (prevalence, 92 %). Flea density was higher on dogs residing in houses made of bamboo or corrugated metal (increase of 40 % from the average) compared to timber or stone/compound houses. Host-dependent and landscape-level environmental variables and spatial structure only had a weak explanatory power. We found adults of the invasive chewing louse Heterodoxus spiniger on 42 dogs (20 %). The effect of housing conditions was opposite to those for fleas; lice were only found on dogs residing in stone or timber houses. We found ticks of the species Rhipicephalus sanguineus as well as Haemaphysalis bispinosa gp., Haemaphysalis cornigera, Haemaphysalis koenigsbergi, and Haemaphysalis semermis on 36 dogs (17 %). The most common tick species was R. sanguineus, recorded from 23 dogs. Tick infestations were highest on dogs using both plantation and forest areas (282 % increase in overall tick density of dogs using all habitat types). The infestation probability of dogs with lice and ticks decreased with elevation, most infestations occurred below 800 m above sea level. However, the density of lice and ticks revealed no spatial structure; infestation probability of dogs with these two groups revealed considerable autocorrelation. Our study shows that environmental conditions on the house level appeared to be more influential on flea and lice density whereas tick density was also influenced by habitat use. Infestation of dogs with Haemaphysalis ticks identified an important link between dogs and forest wildlife for potential pathogen transmission.

Matched MeSH terms: Environment

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