Regardless of variances in lifestyle and environment, the initial indications of facial aging typically manifest between the ages of 20 and 30 years. Collagen loss is the most significant factor in the emergence of external signs of skin aging. Polylactic acid (PLA) is a notable stimulant of neocollagenesis and has become widely used as an injectab...

Objective: The COVID-19 pandemic has been associated with worse outcomes for people with diabetes, including increased mortality, while the long-term impact of the pandemic on diabetes prevalence is still underestimated. Thus, we aimed to analyze long-term prevalence trends of type 2 diabetes in South Korea from 1998 to 2021, encompassing the befor...

Objective: To investigate the association between the number of citations each article received and quantitative factors of journal editors or corresponding authors. Methods: We performed retrospective cohort study using corresponding author and editor information of articles published in PLOS Medicine. The number of citations for each article and ...

Objective: While prior research developed numerous machine learning (ML) models for disease prediction and demonstrated their potential, there has yet to be research on models concerning the prediction of kidney failure and its associated risk factors using simple, regular health check-up data. Thus, this study aimed to develop a ML model capable o...

Objective: Understanding the impact of the COVID-19 pandemic on the prevalence of key ocular diseases—cataracts, glaucoma, and macular degeneration—in the general population remains a critical yet understudied area. This study aimed to assess the long-term national prevalence of cataract, glaucoma, and macular degeneration in South Korea, consi...

Objective: In this study, we investigate changes in the prevalence of tuberculosis (TB) before and during the COVID-19 pandemic in South Korea, analyzing the effects of age, socioeconomic, and environmental variables on TB trends over a period of 24 years. Investigation into the association between TB and the COVID-19 pandemic can accelerate advanc...

Irregular or late eating patterns have been increasingly associated with a higher risk of developing metabolic dysfunction-associated steatotic liver disease (MASLD), which stands as the most prevalent hepatic disorder globally. These eating habits are believed to disrupt the body’s circadian rhythm, a critical factor involved in regulating lipid...

Objective: There are only a few studies investigating the effects of the COVID-19 pandemic on the prevalence of asthma, especially between different age groups. Thus, we aimed to examine the trends of age-stratified asthma prevalence in South Koreans before and during the COVID-19 pandemic. Methods: This study utilized data derived from the Korea N...