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Does Ramadan Harm Infant Health? Evidence from Ethiopia
Lee Soohyung,Nam Minhyuk,Jeong Daeun,Lee Wonmoon 한국국제경제학회 2020 International Economic Journal Vol.34 No.4
We examine the impact of religious practices on human capital in the context of Ethiopia. We focus on Ramadan, which leads mothers to reduce nutritional intake during the daytime. By exploiting the variation in the extent to which infants were exposed to Ramadan, we estimate the relative disadvantage of Muslim children compared to their non-Muslim counterparts. We find that the exposure to Ramadan in the first trimester has a significant negative effect on the infants’ health outcomes, but not on later life outcomes.
송원문(Wonmoon Song),이상화(Sanghwa Lee),김은주(Eunju Kim),송성렬(Sungryul Song),송수민(Soomin Song),김명원(Myungwon Kim) 한국지능시스템학회 2010 한국지능시스템학회 학술발표 논문집 Vol.20 No.1
본 논문에서는 사회적으로 중요한 문제로 대두되고 있는 인터넷 중독 문제를 해결하기 위해 자동으로 인터넷 중독을 진단하고 사용자의 중독 요인 및 특성에 적합한 처방을 제시할 수 있는 전문가 시스템을 제안한다, 제안하는 시스템에서는 K-척도의 진단 기준을 이용하여 중독 정도를 자동으로 진단하며, 관련 분야의 인간 전문가의 치료 지식을 사례에 따른 사용자 특성 및 증상별로 분류/구축하여 처방을 생성한다. 인간 전문가의 평가 결과 시스템이 생성한 처방의 정확도는 약 90%로 효율적인 처방이 생성됨을 입증하였다.
Normal 24-hour Ambulatory Esophageal pH Values in Koreans
( Won Moon ),( Moo In Park ),( Gyung Mi Kim ),( Kyu Jong Kim ),( Seun Ja Park ),( Hyo Sung Mun ),( Kang Dae Lee ) 대한소화기기능성질환·운동학회 2008 Gut and Liver Vol.2 No.1
Background/Aims: Twenty-four-hour ambulatory esophageal pH monitoring is considered the gold standard for diagnosing gastroesophageal reflux disease. The aim of this study was to quantify normal distal esophageal acid parameters in healthy Koreans. Methods: Thirty healthy adults who were not on medication and were free from gastrointestinal symptoms were analyzed. Ambulatory esophageal acid (pH <4) exposure parameters were recorded at 5 cm above the lower esophageal sphincter. Results: The 95th percentiles for reflux parameters assessed in the distal esophagus were as follows: percentage of total time with pH <4, 5.10%; percentage of upright time with pH <4, 7.88%; percentage of supine time with pH <4, 4.00%; number of reflux episodes, 62.7; number of reflux episodes with pH <4 for >5 minutes, 5.3; and the longest single acid-exposure episode, 21.3 minutes. Conclusions: Physiological gastroesophageal reflux occurs frequently in healthy Koreans. These data provide a reference range that could be utilized in studies involving Korean subjects. (Gut and Liver 2008;2:8-13)