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What Affects Chronic Obstructive Pulmonary Disease in Korea?
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease in adults. COPD is characterized by dyspnea due to limited airflow. COPD is likely to become the third leading cause of death in the world by 2020 [1]. Advanced COPD is associated with severe dyspnea accompanied by coughing, sputum and fatigue, as well as cardiovascular complications such as cardiac insufficiency, which require constant oxygen supply and limit daily activities, ultimately resulting in depression or decreased quality of life [2]. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 30, 2016 Category: Global & Universal Authors: Hae-Wol Cho, Chaeshin Chu Tags: Editorial Source Type: research

Prevalence and Risk Factors of Chronic Obstructive Pulmonary Disease among Nonsmokers: Fifth Korea National Health and Nutrition Examination Survey (2010 –2012)
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease in adults, and is diagnosed on the basis of a forced expiratory volume in 1 second of (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 15, 2016 Category: Global & Universal Authors: Hee-Young Oh, Ye-Eun Lee Tags: Original article Source Type: research

Epidemiology and Inequality in the Incidence and  Mortality of Nasopharynx Cancer in Asia
One of the most common head and neck cancers is nasopharynx cancer. Knowledge about the incidence and mortality of this disease and its distribution in terms of geographical areas is necessary for further study and better planning. Therefore, this study was conducted with the aim of determining the incidence and mortality rates of nasopharynx cancer and its relationship with the Human Development Index (HDI) in Asia in 2012. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 15, 2016 Category: Global & Universal Authors: Neda Mahdavifar, Mahshid Ghoncheh, Abdollah Mohammadian-Hafshejani, Bahman Khosravi, Hamid Salehiniya Tags: Original article Source Type: research

Instability of Plasma and Serum Progastrin-Releasing Peptide during Repeated Freezing and Thawing
Progastrin-releasing peptide (proGRP) is a promising biomarker for small cell lung cancer. However, not much is known about how sample processing and storage conditions affect the stability of proGRP. Here, we examined the effects of repeated freeze-thaw cycles on the stability of proGRP in plasma and serum. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 15, 2016 Category: Global & Universal Authors: Jae-Eun Lee, Jin-Hyun Lee, Maria Hong, Seul-Ki Park, Ji-In Yu, So-Youn Shin, Shine Young Kim Tags: Original Article Source Type: research

The incidence and mortality of Nasopharynx cancer and their relationship with the Human Development Index in Asia
One of the most common head and neck cancers is nasopharynx cancer. Knowledge about the incidence and mortality of this disease and its distribution in terms of geographical areas is necessary for prevention for further study and better planning. Therefore, this study was done with the aim of determining incidence and mortality of nasopharynx cancer and its relationship with the Human Development in Asia in 2012. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 15, 2016 Category: Global & Universal Authors: Neda Mahdavifar, Mahshid Ghoncheh, Abdollah Mohammadian-Hafshejani, Bahman Khosravi, Hamid Salehiniya Tags: Original Article Source Type: research

Prevalence and risk factors of chronic obstructive pulmonary disease among non-smoker:5th KNHNES(2010-2012)
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease in adults, and is diagnosed on the basis of a forced expiratory volume in 1 second value of less than 0.07 (FEV1/FVC (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 15, 2016 Category: Global & Universal Authors: Heeyoung Oh, Ye-eun Lee Tags: Original Article Source Type: research

Time-varying Changes in Pulmonary Function with Exposure to Prolonged Sitting
The purpose of this study was to quantify time-varying changes in pulmonary function with exposure to prolonged sitting. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 14, 2016 Category: Global & Universal Authors: Kyung Woo Kang, Sung Min Sonz, Yu Min Ko Tags: Original Article Source Type: research

Evaluation of Antiviral Activity of Zanthoxylum Species against Picornaviruses
Human rhinoviruses and enteroviruses (family Picornaviridae) infect millions of people worldwide each year, but little is known about effective therapeutical treatment in these viruses infection. We sought to determine whether or not Zanthoxylum (Rutaceae) species can antiviral activity exhibit against picornaviruses. The leave parts of four Zanthoxylum species were extracted with methanol and the extracts were investigated for their antiviral activity against picornaviruses using cytopathic effects (CPE) by CPE reduction. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 11, 2016 Category: Global & Universal Authors: Hwa-Jung Choi Tags: Brief Report Source Type: research

Illness Experience of Patients with Chronic Hepatitis C Participating in Clinical Trials
To understand the illness experience of patients with chronic hepatitis C participating in clinical trials in the sociocultural context of Korea in an in-depth and comprehensive manner. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 8, 2016 Category: Global & Universal Authors: Hoo Jeung Cho, Euna Park Tags: Original article Source Type: research

Illness Experience of Chronic Hepatitis C Patients Participating in Clinical Trial
The purpose of this study is to understand the illness experience of chronic hepatitis C patients participating in clinical trial in the socio-cultural context of Korea in an in-depth and comprehensive manner. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 8, 2016 Category: Global & Universal Authors: Hoo Jeung Cho, Euna Park Tags: Original Article Source Type: research

Rapid molecular approach for simultaneous detection of Salmonella spp., Shigella spp., and Vibrio cholera
Gastrointestinal tract infection is still one of the serious public health problems in many geographic areas and is endemic in most countries including Iran. Early detection of the gastrointestinal tract pathogens can be extremely important. The aim of current study was to apply a shortened time - multiplex PCR for rapid and simultaneous detection of Salmonella spp., Shigella spp. and Vibrio cholera. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - November 3, 2016 Category: Global & Universal Authors: Reza Ranjbar, Ali Naghoni, Davoud Afshar, Farhad Nikkhahi, Mohsen Mohammadi Tags: Original Article Source Type: research

No Detection of Episomal or Integrated High-Risk Human Papillomavirus in Nonsmall Cell Lung Carcinomas among Korean Population
This study is designed to determine the prevalence of episomal or integrated hrHPV DNA in nonsmall cell lung carcinoma among the Korean population. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - October 20, 2016 Category: Global & Universal Authors: Jeong Eun Lee, Yong-Moon Lee, In-Ock Seong, Min-Woong Kang, Choong Sik Lee, Kyung-Hee Kim Tags: Original article Source Type: research

No Detection of Episomal or Integrated High-Risk Human Papillomavirus in Non –Small Cell Lung Carcinomas among Korean Population
This study is designed to determine the prevalence of episomal or integrated hrHPV DNA in NSCLC among the Korean population. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - October 20, 2016 Category: Global & Universal Authors: Jeong Eun Lee, Yong-Moon Lee, In-Ock Seong, Min-Woong Kang, Choong Sik Lee, Kyung-Hee Kim Tags: Original Article Source Type: research

Causal Effect of Self-esteem on Cigarette Smoking Stages in Adolescents: Coarsened Exact Matching in a Longitudinal Study
Identification of the causal impact of self-esteem on smoking stages  faces seemingly insurmountable problems in observational data, where self-esteem is not manipulable by the researcher and cannot be assigned randomly. The aim of this study was to find out if weaker self-esteem in adolescence is a risk factor of cigarette smoking in a longitudinal study in Iran. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - October 19, 2016 Category: Global & Universal Authors: Ahmad Khosravi, Asghar Mohammadpoorasl, Kourosh Holakouie-Naieni, Mahmood Mahmoodi, Ali Akbar Pouyan, Mohammad Ali Mansournia Tags: Original article Source Type: research

Causal effect of self-esteem on cigarette smoking stages in adolescents: a coarsened exact matching in a longitudinal study
Identifying the causal impact of self-esteem on smoking stages faces seemingly insurmountable problems in observational data, where self-esteem is not manipulable by the researcher and cannot be randomly assigned. (Source: Osong Public Health and Research Perspectives)
Source: Osong Public Health and Research Perspectives - October 19, 2016 Category: Global & Universal Authors: Ahmad Khosravi, Asghar Mohammadpoorasl, Kourosh Holakouie-Naieni, Mahmood Mahmoodi, Ali Akbar Pouyan, Mohammad Ali Mansournia Tags: Original Article Source Type: research