Background No epidemiological studies have targeted the association between experience of orthodontic treatment and symptoms of temporomandibular joint (TMJ) in a large adult population. In this study, we investigated whether experience of orthodontic treatment is associated with symptoms of TMJ in adults. Methods We used data from the Fifth Korea National Health and Nutrition Examination Sur...

(1) Background: The aim of this study was to evaluate the prevalence obesity and metabolic syndrome since COVID-19 pandemic outbreak utilizing representative data on youth aged 2–18 years from Korean National Health Nutrition Examination Surveys (KNHANES) conducted in 2019–2020. (2) Methods: survey consists three parts: health interviews, examinations, nutrition surveys. From 2019 2020 surveys,...

OBJECTIVES The importance of the prediction of coronary heart disease (CHD) has been recognized in Korea; however, few studies have been conducted in this area. Therefore, it is necessary to develop a method for the prediction and classification of CHD in Koreans. METHODS A model for CHD prediction must be designed according to rule-based guidelines. In this study, a fuzzy logic and decision ...

Atopic dermatitis (AD) is a widely prevalent skin disease that affects both children and adults. The aim of the study was to assess the association of perceived stress (single-item, self-reported) with AD (self-reported) in a sample of Korean adults using a cross-sectional research design. A cross-sectional study was conducted using data from 33,018 adults aged 20 years and older collected in t...