Weight change and cardiovascular disease incidence in breast cancer survivors: a nationwide cohort study.

Background: Breast cancer survivors (BCS) face a higher risk of cardiovascular disease (CVD) due to treatment-related cardiotoxicity and pre-existing conditions. We investigated how post-diagnosis weight changes and obesity impact CVD risk in this population.

Method: Using the Korean National Health Insurance Service database (2010-2019), BCS without previous history of CVD were enrolled.

Green solvent strategies for the sustainable development of perovskite solar cells.

Perovskite solar cells have been of great interest over the past decade, reaching a remarkable power conversion efficiency of 26.7%, which is comparable to best performing silicon devices. Moreover, the capability of perovskite solar cells to be solution-processed at low cost makes them an ideal candidate for future photovoltaic systems that could replace expensive silicon and III-V systems.

Hierarchically Graphitic Carbon Structure Derived from Metal Ions Impregnated Harmful Inedible Seaweed as Energy-Related Material.

This study explored the development of hierarchical graphitic carbon structures (HGCs) from harmful inedible seaweed waste harvested in the summer. Elevated sea temperatures during the summer increase the cellulose content of seaweeds, making them unsuitable for consumption. By utilizing seaweed biomass, this study addresses critical marine environmental issues and provides a sustainable solution for promising electrode materials for energy storage devices.

Modifiable risk factors for weight loss after cancer treatment in Korean gastric cancer survivors.

Purpose: Weight loss is a critical problem in gastric cancer survivor (GCS) associated with worse prognosis and quality of life. Nevertheless, modifiable factors related to weight loss of GCS seem limited. We investigated the factors with significant weight loss including dietary pattern change in GCS.

Factors Associated with Long-Term Dietary Supplement Use among Korean Breast Cancer Survivors: A Cross-Sectional Study.

Purpose: The factors associated with the dietary supplement (DS) use of Asian breast cancer survivors in consideration of the duration of use and types of DS have not been well established.

Methods: We recruited 693 Korean female breast cancer survivors at two university-affiliated hospitals and collected study data through a self-administered questionnaire and a review of medical records. A multiple logistic regression analysis was conducted to evaluate the multivariable-adjusted association between DS use and study variables.

Factors Associated with Dietary Habit Changes in Korean Stomach Cancer Survivors after Cancer Treatment.

The current nutritional guidelines for stomach cancer survivors (SCSs) mainly focus on the influence of the surgical resection of the stomach, with limited guidance regarding a wider range of food options. We aimed to investigate the factors associated with healthier dietary changes in Korean adult SCSs. This cross-sectional study assessed dietary pattern changes after cancer treatment for 11 food categories, using a self-administered questionnaire.

Factors Associated with Sleep Disorder among Korean Cancer Survivors: A Cross-Sectional Study.

Background: The factors associated with sleep disorder are controversial. This study aimed to evaluate the prevalence of sleep disorder and the factors associated with sleep disorder among Korean adult cancer survivors.

Methods: In this cross-sectional study, we collected data on sleep problems as outcome variables, and sociodemographic and clinical information as predictor variables from cancer survivors at two university-affiliated hospitals.

Current Status and Physicians' Perspectives of Childhood Cancer Survivorship in Korea: A Nationwide Survey of Pediatric Hematologists/Oncologists.

Background: Data on the status of long-term follow-up (LTFU) care for childhood cancer survivors (CCSs) in Korea is lacking. This study was conducted to evaluate the current status of LTFU care for CCSs and relevant physicians' perspectives.

Methods: A nationwide online survey of pediatric hematologists/oncologists in the Republic of Korea was undertaken.

Self-reported physical activity behaviors of childhood cancer survivors: comparison to a general adolescent population in Korea.

Purpose: Adequate physical activity (PA) can significantly contribute to the prevention of undesirable health outcomes in childhood cancer survivors (CCS). This study aimed to identify the patterns of PA and related factors in Korean CCS.

Methods: Study subjects were 184 adolescents selected from an ongoing cohort study of Korean CCS and 1,840 sex- and school grade-matched controls randomly selected from the participants of the 2019 Korea Youth Risk Behavior Web-based Survey.

Longitudinal association between eating alone and deterioration in frailty status: The Korean Frailty and Aging Cohort Study.

Background: Among risk factors of developing frailty, dietary factor played an important role as a potentially modifiable risk factor. Eating alone is associated with malnutrition, depression, and social isolation, which are risk factors of frailty. We evaluated the longitudinal association between a change to eating alone and deterioration in frailty status in a cohort of community-dwelling elderly persons.

Relationship between Serum Testosterone Level and Carotid Intima-Media Thickness among Korean Men and Postmenopausal Women.

Background: Given that the role of serum testosterone on incident cardiovascular disease has been uncertain, it is necessary to find out the relationship between serum testosterone and carotid atherosclerosis.

Methods: The study participants included 1,302 Korean adults (873 men and 429 postmenopausal women) who participated in the Healthy Twin Study and were not receiving androgen deprivation therapy. The participants were classified into three groups: men aged <40 and ≥40 years and postmenopausal women.

Parent caregivers' preferences and satisfaction with currently provided childhood cancer survivorship care.

Purpose: The aim of this study was to investigate the level of satisfaction of parent caregivers of childhood cancer survivors (CCSs) with currently provided survivorship care and their preferences for survivorship care provider.

Methods: Study subjects were parent caregivers recruited at three hospitals in Korea. Study data were collected from self-administered questionnaires and medical records.

Association between Serum Lipid Levels and Sensorineural Hearing Loss in Korean Adult Population.

Background: Hearing loss (HL) has been suggested to be associated with impaired microcirculation of the inner ear. This cross-sectional study aimed to evaluate an association between HL and serum lipid levels.

Methods: The study comprised 10,356 Korean adults who participated in the fifth Korea National Health and Nutrition Examination Survey (2010-2012).

The relationship between serum sex hormone and cardiac echocardiographic findings in healthy men.

Serum sex hormones are known to be associated with cardiovascular disease (CVD), but effects in healthy men on cardiac function have not been well quantified. The authors sought to evaluate an association of sex hormones with cardiac structure and function. Study participants were 857 Korean men without significant cardiovascular diseases participating in the Healthy Twin Study.

Heritability of maxillary dental cephalometric variables among monozygotic twins, dizygotic twins and their siblings.

Objectives: The purpose of this study was to investigate the heritability of dental cephalometric variables by analyzing vertical linear measurements and angular measurements of the upper incisor, canine, and first molar.

Materials And Methods: Among the 553 Korean patients who participated in twin studies conducted at Samsung Medical Center, 150 patients had their lateral cephalometric radiograph data included in this study. The group was comprised of 36 monozygotic (MZ) twins (males, 16 pairs; females, 20 pairs), 13 dizygotic (DZ) twins (males, 7 pairs; females, 6 pairs), and 26 same-sex sibling pairs (males, 11 pairs; females, 15 pairs).

Exploring socio-demographic, physical, psychological, and quality of life-related factors related with fear of cancer recurrence in stomach cancer survivors: a cross-sectional study.

Background: Stomach cancer is one the most common neoplasms with high mortality. However, fear of cancer recurrence (FCR) in stomach cancer survivors has been scarcely evaluated. Thus, the aim of this study was to evaluate FCR and factors related to FCR in Korean stomach cancer survivors.

Effect of smoking reduction, cessation, and resumption on cancer risk: A nationwide cohort study.

Background: The objective of this study was to investigate the effects of reduction, cessation, and resumption of smoking on cancer development.

Methods: The authors identified 893,582 participants who currently smoked, had undergone a health screening in 2009, and had a follow-up screening in 2011. Among them, 682,996 participated in a third screening in 2013.

Smoking, Alcohol Consumption, and the Risk of Thyroid Cancer: A Population-Based Korean Cohort Study of 10 Million People.

It is unclear if cigarette smoking and alcohol consumption are associated with thyroid cancer risk. Our aim was to explore for any associations between cigarette smoking and alcohol consumption with thyroid cancer, after adjusting for potential confounders. Using data from the Korean National Health Insurance database, we retrospectively identified individuals aged ≥20 years who participated in the 2009 health screening program and were followed until 2017.

Differences in the heritability of craniofacial skeletal and dental characteristics between twin pairs with skeletal Class I and II malocclusions.

Objective: To investigate differences in the heritability of skeletodental characteristics between twin pairs with skeletal Class I and Class II malocclusions.

Methods: Forty Korean adult twin pairs were divided into Class I (C-I) group (0° ≤ angle between point A, nasion, and point B [ANB]) ≤ 4°; mean age, 40.7 years) and Class II (C-II) group (ANB > 4°; mean age, 43.

Factors associated with the comprehensive needs of caregivers of childhood cancer survivors in Korea.

Purpose: Caregivers of childhood cancer survivors (CCS) have diverse needs, which should be addressed to provide comprehensive cancer care. We aimed to evaluate the unmet needs of caregivers of CCS.

Methods: The subjects were 700 caregivers recruited at three major hospitals in South Korea.

Effects of menopausal hormone therapy on ambulatory blood pressure and arterial stiffness in postmenopausal Korean women with grade 1 hypertension: a randomized, placebo-controlled trial.

Background: Estrogen therapy in early menopausal women decreases the risk of coronary heart disease and parenteral, but not oral, estrogen is reported to reduce blood pressure (BP). Progestogens are typically added to estrogens to prevent unopposed endometrial stimulation. The effects of progestogen on BP have been less well studied to date.

The Association between the Use of Dietary Supplement and Psychological Status of Cancer Survivors in Korea: A Cross-Sectional Study.

Background: Dietary supplements (DS) use is known to be common among cancer survivors. However, detailed information on the factors influencing DS use seems insufficient, including cancer-related and psychological factors.

Methods: Study subjects were 1,852 Korean adult cancer survivors recruited from cancer survivor clinic of two university-affiliated hospitals.

A cross-sectional study of factors associated with influenza vaccination in Korean cancer survivors.

Objective: To investigate factors associated with influenza vaccination in cancer survivors.

Methods: Study subjects were 1,945 Korean adult cancer survivors. Through medical record review and self-administered questionnaires, social and medical information was collected.

Twin study-genetic comparison of matrix versus intramatrix rotation in the mandible and three different occlusal planes.

Background: The purpose of this study is to investigate the heritability of total rotation, matrix rotation, and intramatrix rotation of the mandible in Korean monozygotic (MZ) twins, dizygotic (DZ) twins, and their siblings.

Materials And Methods: The samples consisted of 75 pairs of Korean twins (39.7 + 9.