Yu‐Jin Kwon

ORCID: 0000-0002-9021-3856
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About
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Research Areas
  • Liver Disease Diagnosis and Treatment
  • Nutritional Studies and Diet
  • Nutrition and Health in Aging
  • Diet and metabolism studies
  • Diet, Metabolism, and Disease
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Blockchain Technology Applications and Security
  • Nutrition, Health and Food Behavior
  • Obesity, Physical Activity, Diet
  • Alcohol Consumption and Health Effects
  • Sleep and related disorders
  • Genetic Associations and Epidemiology
  • Nutrition, Genetics, and Disease
  • Body Composition Measurement Techniques
  • Health and Wellbeing Research
  • Circadian rhythm and melatonin
  • Blood Pressure and Hypertension Studies
  • Folate and B Vitamins Research
  • Lipoproteins and Cardiovascular Health
  • Dental Health and Care Utilization
  • Cardiovascular Function and Risk Factors
  • Adipokines, Inflammation, and Metabolic Diseases
  • Oral microbiology and periodontitis research
  • Distributed systems and fault tolerance
  • Cancer, Lipids, and Metabolism

Severance Hospital
2017-2025

Yonsei University
2016-2025

Korea Institute of Science and Technology
2025

Kyung Hee University
2021-2024

Ulsan National Institute of Science and Technology
2024

Korea University
2023

Gangnam Severance Hospital
2018-2023

Brigham Young University
2022-2023

Ulsan College
2022-2023

University of Ulsan
2022-2023

In the Bitcoin system, participants are rewarded for solving cryptographic puzzles. order to receive more consistent rewards over time, some organize mining pools and split from pool in proportion each participant's contribution. However, several attacks threaten ability participate pools. The block withholding (BWH) attack makes reward system unfair by letting malicious unearned wages while only pretending contribute work. When two launch BWH against other, they encounter miner's dilemma: a...

10.1145/3133956.3134019 article EN Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security 2017-10-27

Oxidative stress plays a key role in the pathophysiology of hypertension development. The oxidative balance score (OBS) comprises dietary and lifestyle pro- anti-oxidant components reflects overall burden. We aimed to evaluate association between OBS new-onset (HTN) using large, community-based, prospective Korean cohort data.Among 10,030 participants aged 40-69 years included Genome Epidemiology Study, data 5,181 were analyzed. hazard ratio (HR) 95% confidence interval (CI) for HTN...

10.3389/fnut.2022.1066159 article EN cc-by Frontiers in Nutrition 2022-12-15

Mitigating the risk of type 2 diabetes mellitus (T2DM) can be achieved through maintenance a healthy weight, adoption diet, and engaging in regular physical activity. The oxidative balance score (OBS), an integrated measure pro- antioxidant exposure conditions, represents individual's overall status. This study aimed to evaluate association between OBS T2DM incidence using data from large, community-based, prospective cohort study. Data 7369 participants aged 40-69 years who engaged Korean...

10.3390/nu15112497 article EN Nutrients 2023-05-27

Whether trends in insulin resistance changes are related to the risk of cardiovascular disease (CVD) incidence and mortality remains unclear. We aimed examine association homeostatic model assessment for (HOMA-IR) trajectories with CVD mortality.Data from 6755 adults aged 40 69 years Korea Epidemiology Genome Study were analyzed. During exposure period (2001-2006), participants classified into increasing HOMA-IR trajectory group stable using a latent class mixture model. event accrual...

10.1161/atvbaha.123.319200 article EN mit Arteriosclerosis Thrombosis and Vascular Biology 2023-07-20

The consumer drone market is booming. Consumer drones are predominantly used for aerial photography; however, their use has been expanding because of autopilot technology. Unfortunately, terrorists have also begun to kamikaze bombing and reconnaissance. To protect against such threats, several companies started “anti-drone” services that primarily focus on disrupting or incapacitating operations. However, the approaches employed inadequate, they make any intruded stop remain over protected...

10.1145/3309735 article EN ACM Transactions on Privacy and Security 2019-04-09

Bitcoin uses the proof-of-work (PoW) mechanism where nodes earn rewards in return for use of their computing resources. Although this incentive system has attracted many participants, power has, at same time, been significantly biased towards a few nodes, called mining pools. In addition, poor decentralization appears not only PoW-based coins but also that adopt proof-of-stake (PoS) and delegated (DPoS) mechanisms.

10.1145/3318041.3355463 article EN 2019-10-21

Background Triglyceride and glucose (TyG) index TyG-related indices combined with obesity-related markers are considered important of insulin resistance. We aimed to examine the association between TyG modified new-onset hypertension their predictive ability stratified by sex. Methods Results analyzed data from 5414 Korean Genome Epidemiology Study participants aged 40 69 years. Multiple Cox proportional hazard regression analyses were conducted estimate ratio (HR) 95% CI for according...

10.1161/jaha.123.030022 article EN cc-by-nc-nd Journal of the American Heart Association 2023-09-18

The influence of iodine-rich foods on thyroid cancer (TC) risk remains inadequately understood. Therefore, we aimed to comprehensively investigate the relationship between three food groups and TC prevalence using extensive data from a large Korean population. We assessed dietary intake 169,057 participants in Genome Epidemiology Study (2004-2013) frequency questionnaire. top-three (including egg, seaweed, dairy) were selected based reference intakes categorized by weekly consumption...

10.3390/nu16071041 article EN Nutrients 2024-04-03

Sarcopenia, or loss of muscle mass, occurs with aging and results in frailty, disability, cardiovascular disease, insulin resistance. Recently, researchers have asserted that sarcopenia is not an inevitable process, but a modifiable condition. Adequate sleep duration also important to maintain good physical mental health. Therefore, the aim our study was examine association between Korean adults.

10.5664/jcsm.6732 article EN Journal of Clinical Sleep Medicine 2017-09-15

Deep venous thrombosis (DVT) and pulmonary embolism (PE) are considered as similar disease entities representing different clinical manifestations. The objectives of this study were: 1) to determine the prevalence outcome DVT in patients with PE; 2) identify additional risk factors for PE-related unfavorable 30-day all-cause mortality; 3) establish importance screening concomitant DVT.From January 2013 December 2015, a total 141 confirmed PE were evaluated. was determined. Furthermore,...

10.5758/vsi.2016.32.4.166 article EN cc-by-nc Vascular Specialist International 2016-12-27

Bitcoin has become the most popular cryptocurrency based on a peer-to-peer network. In Aug. 2017, was split into original (BTC) and Cash (BCH). Since then, miners have had choice between BTC BCH mining because they compatible proof-of-work algorithms. Therefore, can freely choose which coin to mine for higher profit, where profitability depends both price difficulty. Some immediately switch only when difficulty changes are more predictable than that price, we call this behavior fickle...

10.1109/sp.2019.00075 preprint EN 2022 IEEE Symposium on Security and Privacy (SP) 2019-05-01

Determining the ideal ratio of macronutrients for increasing life expectancy remains a high priority in nutrition research. We aim to investigate association between carbohydrate, fat, and protein intake all-cause mortality Koreans. This cohort study investigated 42,192 participants from Korea National Health Nutrition Examination Survey (KNHANES) linked with causes death data (2007–2015). Hazard ratios (HRs) were calculated using multivariable Cox proportional regression model after...

10.3390/nu12103208 article EN Nutrients 2020-10-21

ABSTRACT Cardiovascular mortality is a leading cause of global deaths, with aging, dyslipidemia, and inflammation recognized as key risk factors. This study aimed to identify distinct cardiovascular profiles using cluster analysis based on lipid inflammatory markers in large cohort middle‐aged Korean adults. Our included 8115 participants without disease (CVD) at baseline from the Genome Epidemiology Study. We applied K‐means clustering algorithm conduct six normalized variables: age, total...

10.1111/jch.70035 article EN cc-by-nc Journal of Clinical Hypertension 2025-03-01
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