scholarly journals Respiratory Health Risks from Exposure to Dust from Soybean and Its Products

Author(s):  
Howard J. Mason

Soybean and its processed forms have become an increasingly important part of agriculture, where they are widely used as an animal feedstuff and in an extensive range of human food products. This entails transportation from producer countries, largely the USA and South America, to importer destinations such as the EU and China. Soya is recognised as a dietary allergen, containing a number of identified allergenic proteins. Inhaled soya dust generated by occupational activities also causes respiratory health problems. Reports of “asthma epidemics” in harbour cities identified ill health in the community but were related to occupational activities of unloading/loading bulk soya without appropriate dust control measures. Inhaled allergens in already-sensitised individuals can cause a range of allergic symptoms in the eyes, nose, and respiratory tract, including occupational asthma (OA). Soybean dust can also cause health problems related to lung irritancy. Endotoxin and fungal contamination associated with soya are also potential respiratory hazards. This chapter reviews published data on ill health and symptoms from airborne exposure to allergens in dust from soybean and derivative products and the levels of exposure to dust and major allergens from a range of occupational activities. Other potential health hazards associated with soybean, such as endotoxin and fungal contamination, are also highlighted.


1969 ◽  
Vol 4 (2) ◽  
pp. 529-532
Author(s):  
MUHAMMAD ISHTIAQ ◽  
NOOR JEHAN ◽  
ZARKA AHMAD ◽  
IMRANULLAH ◽  
KASHIF UR REHMAN KHALIL ◽  
...  

BACKGROUND: The coal mining is one of the neglected sector and thus the coal miners work underhazardous conditions; and thus coal miners showed an increased prevalence of occupational healthproblems.OBJECTIVE: This study assessed the prevalence of respiratory health problems among cherat coalminers district Nowshera Pakistan, as the occupational protective measures were not according to theinternational standards as defined by WHO/ ILO.METHODOLOGY: A total of 400 coal miners were selected from the four study areas of Cherat, andthen interviewed/ examined for respiratory health problems along with Pulmonary Function Tests(PFTs) and Chest X-rays (CXR).RESULTS: The results showed that 52% of coal miners suffered from signs & symptoms of respiratoryhealth problems; and on Pulmonary Function Tests and Chest X-Ray showed 88% and 75.2%respectively.CONCLUSION: It was concluded that the prevalence of respiratory health problems were high amongthe coal miners thus immediate remedial measures were needed in time from the concerned authoritiesfor improving working conditions, conduct regular medical check-ups, provision of protectiveequipments, and dust control measures etc to reduce the burden of respiratory health problems amongcoal miners.KEY WORDS: Prevalence, Respiratory Health Problems, Pulmonary Function Tests, Chest X-rays,Coal Miners.



2019 ◽  
Vol 17 (01) ◽  
pp. 51-55
Author(s):  
Suman Bahadur Singh ◽  
Swotantra Gautam ◽  
Rabin Gautam ◽  
Gambhir Shrestha ◽  
Nilambar Jha ◽  
...  

Background: There have been very limited studies regarding health of the cement factory workers in Nepal. This study aimed to find out the prevalence of health problems and the factors associated with respiratory symptoms among the workers of Udayapur cement factory. Methods: This is a cross-sectional study conducted from March to August 2015 in Udayapur cement factory in eastern Nepal. All the workers working in the factory more than a year were included in the study. Thedata was collected by using a semi-structured questionnaire consisting of socio-demographic characteristics,type of work, reported health problems, use of personal protective measures.Chi-square test was used to determine the association of respiratory symptoms with related variables.Results: A total of 295 workers were included in this study with mean age of 45.9 years (SD=7.7). Majority 279 (94.6%) were males. The most common health problems were musculoskeletal pain (55.6%) followed by eye problems (33.2%). Among them, 17(21.1%) reported that they had at least one respiratory problem and chest tightness while running/climbing and wheeze were the most common. A total of 233 participants (79%) used at least one form of personal protective equipment. Low education, longer duration of work and smoking were found to be positively associated with respiratory symptoms.Conclusions: Respiratory problems were high among the workers of the cement factory. Proper use of PPEs and dust control measures should be promoted among the workers.Keywords: Cement factory; eastern Nepal; occupational health; respiratory problems.



2003 ◽  
Vol os10 (1) ◽  
pp. 5-10 ◽  
Author(s):  
Caroline L Pankhurst

Biofilms form rapidly on dental unit waterlines. The majority of the organisms in the biofilm are harmless environmental species, but some dental units may harbour opportunistic respiratory pathogens. This paper describes a risk assessment approach to analysing the hazard from biofilm organisms contaminating dental unit waterlines on the respiratory health of both the dental team and patients. The health risk from the respiratory pathogens Legionella spp, Mycobacterium spp and Pseudomonads was found to be low. Nevertheless, in order to satisfy water regulations and comply with health and safety legislation dentists should institute infection-control measures to maintain the dental unit water at the standard of less than 200 colony-forming units per ml of aerobic bacteria.





Author(s):  
Gauri Mohan ◽  
Annie Sonia Xavier

The rate of air pollution is becoming a cause for worldwide concern because of its substantial increase. Different sources like combustion of fuels, release of smoke from industries etc are responsible for the pollution of air. The construction industry is a major contributor to air pollution in the form of dust. Most of the activities involved in the completion of a construction project contribute to the generation of dust in one way or another. There are many sources of dust in a construction site like the use of construction equipment, transportation activities etc. the dust thus generated can ill effects as well. But, the problem of dust pollution is not addressed properly mainly because of the lack of awareness in this area. Proper identification of sources of dust in sites, its health impacts etc can help generate awareness and also help in implementing control measures. This can help reduce dust pollution on site. Here, a residential building site is taken for the case study. A questionnaire survey is conducted for the workers to identify the negative impacts construction dust has and also to determine the most common dust control measures employed in site. Keywords—air pollution, construction activities, construction equipment, questionnaire survey, dust control



2018 ◽  
Vol 11 (4) ◽  
pp. 250-257 ◽  
Author(s):  
Banibrata Das

Abstract Aims The purpose of this study was to describe the health hazards among child labourers in brickfields, and to assess occupational health problems, together with physiological and respiratory stress, compared with child control subjects. Methods A cross-sectional study was conducted on 112 child brickfield workers and 120 control subjects, and a modified Nordic Questionnaire was applied to assess the discomfort felt among both groups of workers. Physiological assessment of the workload was carried out by the measurement of heart rate, blood pressure and spirometry of the workers. Results Child brickfield workers suffer from pain, especially in the lower back (97%), shoulder (88%), hands (82%), wrist (76%), neck (73%) and ankle (71%). The post-activity heart rate of the child brickfield workers was 166.5 beats/min, whereas the systolic and diastolic blood pressures were 132.2 and 67.2 mm/Hg, respectively. The forced vital capacity value of child brickfield workers was 2.04, and in the case of the controls it was 2.18, which was significantly different. The forced expiratory volumes in 1 s of experimental and control subjects were 1.82 and 1.92, respectively. The peak expiratory flow rate was significantly different between the two groups. Conclusions Most of the brick-making activities were strenuous ones that affected the children. The cardiovascular and respiratory health of the child brickfield workers has changed markedly due to strenuous activity. The child brickfield workers also experienced other occupational health problems and severe musculoskeletal pain.



2020 ◽  
Vol 145 ◽  
pp. 02048
Author(s):  
Jing Zhao ◽  
Shegang Shao ◽  
Dong Ni ◽  
Xiaodong Shang ◽  
Xiaofeng Liu ◽  
...  

Construction dust falls to the snow cover and the surface of the glacier to form a fouling layer to absorb more solar radiation and reduce the intensity of surface albedo, thereby accelerating the melting of the glacier, which is the main factor affecting the glacial environment in the Highway construction. This article adopts the combination method of wind tunnel experiment and numerical simulation was used to calculate the impact range of construction dust. The results show that with increasing of particle size, the diffusion range of dust decreased while the settlement speed increased. High dust concentration area (> 4mg / m3) is generally distributed within 1000m around the construction site. The specific extension direction is directly related to the local terrain and wind direction, and the height direction is generally not more than 300m. According to the above simulation results, for preventing and reducing the impact of highway construction on the glacial environment, the requirements of route selection and construction dust control measures was put forward, which played an important role and significance in guiding the highway design and construction and reducing the impact of highway construction on the glacial environment.



Sign in / Sign up

Export Citation Format

Share Document