Youngha Choi

ORCID: 0000-0002-1607-6048
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About
Contact & Profiles
Research Areas
  • Obesity, Physical Activity, Diet
  • Health disparities and outcomes
  • Sexual Differentiation and Disorders
  • Health and Wellbeing Research
  • Diabetes Management and Research
  • Health Systems, Economic Evaluations, Quality of Life
  • Sleep and related disorders
  • Diet, Metabolism, and Disease
  • Insect and Pesticide Research
  • Employment and Welfare Studies
  • Diet and metabolism studies
  • Liver Disease Diagnosis and Treatment
  • Insect and Arachnid Ecology and Behavior
  • Genetic Neurodegenerative Diseases
  • Bone health and osteoporosis research
  • Thyroid Disorders and Treatments
  • Hypothalamic control of reproductive hormones
  • Vitamin D Research Studies
  • Hormonal and reproductive studies
  • Birth, Development, and Health
  • Genetic Mapping and Diversity in Plants and Animals
  • Suicide and Self-Harm Studies
  • Healthcare Systems and Reforms
  • Gout, Hyperuricemia, Uric Acid
  • Sleep and Wakefulness Research

Gangnam Severance Hospital
2018-2025

Yonsei University
2015-2025

Catholic University of Pusan
2022-2025

Kangwon National University Hospital
2022-2024

Weatherford College
2024

Severance Hospital
2007-2024

Kangwon National University
2024

New Generation University College
2024

Yonsei University Health System
2018-2022

Seoul Social Welfare Graduate University
2017

Previous suicide attempts are a leading risk factor for completed suicide. To identify specific characteristics of those at high attempts, we investigated associations with socioeconomic status ( SES ). Data from the 2013 Korean Community Health Survey KCHS ) included adults who reported suicidal ideation N = 220,245). Attempts in past 12 months were assessed. Associations demographic, socioeconomic, and suicide‐related behavioral factors analyzed using multiple logistic regression. Among...

10.1111/sltb.12242 article EN Suicide and Life-Threatening Behavior 2016-03-17

Cancer imposes significant economic challenges for individuals, families, and society. Households of cancer patients often experience income loss due to change in job status and/or excessive medical expenses. Thus, we examined whether changes such households is affected by catastrophic health expenditures.We used the Korea Health Panel Survey (KHPS) 1st-4th (2008- 2011 subjects) data extracted records from 211 out 5,332 database this study. To identify factors associated with expenditures...

10.7314/apjcp.2014.15.6.2713 article EN cc-by Asian Pacific Journal of Cancer Prevention 2014-03-30

DNA hypermethylation is a key epigenetic mechanism for the silencing of many genes in cancer. Hinokitiol, tropolone-related natural compound, known to induce apoptosis and cell cycle arrest has anti-inflammatory anti-tumor activities. However, relationship between hinokitiol methylation not clear. The aim our study was explore whether an inhibitory ability on colon cancer cells.MTT data showed that had higher sensitivity cells, HCT-116 SW480, than normal CCD18Co. Hinokitiol reduced...

10.1186/s12860-017-0130-3 article EN cc-by BMC Cell Biology 2017-02-27

The triglyceride glucose (TyG) index, derived from a combination of fasting and triglycerides, has been suggested as useful marker for insulin resistance (IR), in addition to modified TyG indices that combine obesity parameters. This study investigated the association utility IR prediction youth. Based on Korea National Health Nutritional Examination Survey, data 3728 youth aged 10–19 years were analyzed. Odds ratios (ORs) 95% confidence intervals (CIs) tertiles 2 3 each parameter calculated...

10.3390/life11040286 article EN cc-by Life 2021-03-28

10.1016/j.jamda.2025.105493 article EN Journal of the American Medical Directors Association 2025-02-22

Obesity, which is caused by various congenital factors, lifestyle changes, and modernized eating habits, has recently emerged as a serious health concern in children adolescents. According to the Korea National Health Nutrition Examination Survey (KNHANES) conducted from 2007 2020, prevalence of obesity overweight youth shown an increasing trend over time. Notably, been studied several studies. However, given its close association with rapidly changing societal environments patterns,...

10.3389/fnut.2025.1554218 article EN cc-by Frontiers in Nutrition 2025-04-24

Purpose: Metabolic syndrome (MetS) comprises a cluster of risk factors for future cardiovascular and metabolic diseases.Only few recent studies have reported the trend in prevalence MetS youth.This study aimed to analyze trends nutrient intake last 10 years investigate changes components among Korean children adolescents.Materials Methods: We analyzed data 9513 adolescents aged 10-19 from 2008-2017 National Health Nutrition Examination Surveys.Diagnosis was based on International Diabetes...

10.3349/ymj.2021.62.4.344 article EN cc-by-nc Yonsei Medical Journal 2021-01-01

Magnetic resonance imaging (MRI) can be used for assessing the morphology of pituitary gland in children with short stature. The purposes this study were: (1) to determine if volume (PV) distinguish patients growth hormone (GH) deficiency from those idiopathic stature (ISS), (2) validate an association between PV and severity GH deficiency, (3) compare good poor response groups or ISS after 1 year treatment.

10.6065/apem.2346052.026 article EN cc-by-nc Annals of Pediatric Endocrinology & Metabolism 2023-11-09

Objectives: Mental health disorders and suicide are an important growing public concern in Korea. Evidence has shown that both globally Korea, obesity is associated with increased risk of developing some psychiatric disorders. Therefore, we examined the association between distorted body weight perception (BWP) suicidal ideation. Methods: Data were obtained from 2007-2012 Korea National Health Nutritional Evaluation Survey (KNHANES), annual cross-sectional nationwide survey included 14 276...

10.3961/jpmph.14.055 article EN cc-by-nc Journal of Preventive Medicine and Public Health 2015-03-14

Dyslipidemia is one of the important influencing factors cardiovascular health in youth, and thus, assessment its etiology important. We aimed to investigate association dyslipidemia with vitamin D physical activity Korean children adolescents. Data 3183 subjects aged 12-18 years Korea National Health Nutrition Examination Survey were analyzed. Participants divided into subgroups according sex, body mass index, 25-hydroxyvitamin levels, lipid profile. The mean level was 16.15 ng/mL, which...

10.3390/children7110241 article EN cc-by Children 2020-11-19

The appropriate evaluation of height and accurate estimation bone age are crucial for proper assessment the growth status a child. We developed program using deep learning algorithm established model to predict final adult Korean children.A total 1678 radiographs from 866 children, which interpretation results were consistent between two pediatric endocrinologists, used train validate model. was based on convolutional neural network system. test set simulation performed by raters 150 data...

10.3349/ymj.2023.0244 article EN cc-by-nc Yonsei Medical Journal 2023-01-01

This study explored the relationship between adolescents' weight status and mental health problems. It specifically investigated perceptions of obese adolescents effect on their health. cross-sectional was based data aged 12-18 years from Korean National Health Nutritional Examination Survey (2010-2019). Data regarding anthropometric measurements, conditions, socioeconomic were extracted, associations (actual, perceived, or misperceived) conditions (depressed mood, perceived stress, suicidal...

10.3390/children10040620 article EN cc-by Children 2023-03-25

Adolescents have weekday/weekend sleep discrepancies and may compensate for weekday debt through extension on weekends.We investigated the effects of total duration weekdays/weekends obesity determined if weekend catch-up has an ameliorating effect in Korean adolescents.Using data from KNHANES VII, 1,306 middle high school students were assessed weekdays, weekends, entire week, as well extension. Participants classified into four groups according to extension.Total negatively associated with...

10.3389/fped.2023.1213558 article EN cc-by Frontiers in Pediatrics 2023-07-26

Hypothalamic hamartoma (HH) is a rare, congenital, and benign lesion of the tuber cinereum, typically presenting with central precocious puberty (CPP), gelastic seizure, developmental delay. This study aimed to investigate CPP in HH patients compare clinical features between before after gonadotropin-releasing hormone (GnRH) agonist treatment. A total 30 under 18 years age who visited Severance Children’s Hospital January 2005 May 2020 were retrospectively reviewed. Fourteen male (46.7%)...

10.3390/children8080711 article EN cc-by Children 2021-08-18

The association between serum testosterone levels and type 1 diabetes (T1D), especially in adolescents young adults, has not been fully investigated. We aimed to compare adolescents/young men with T1D controls determine the factors affecting levels. enrolled 47 32 aged 15–29 years. evaluated anthropometric measurements, lipid profiles, diabetic complications, of luteinizing hormone, follicle-stimulating hemoglobin A1c, 24-h urine albumin, insulin autoantibody, total testosterone. assessed...

10.3390/biology10070615 article EN cc-by Biology 2021-07-02
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