This paper examines the phenomenon of elevated rates of emergency room visits by adolescents during the period of the broadcast content featuring music with lyrics related to self-harm. A notable rise in self-harm-related emergency department visits has been observed among adolescents aged 10 to 24. Specifically, there has been an increase from 0.9 to 3.1 among those aged 10-14, from 5.7 to 10.8 among those aged 15-19 and from 7.3 to 11.0 among those aged 20-24, with rates expressed as per 100,000 persons. The objective of this study is to ascertain the impact of lyrics on adolescent impulsivity. To this end, the top 20 songs on Melon, a popular music streaming platform among teenagers, from April to October 2018. To identify the most frequent words, Pythons KoNLPy (Korean Natural Language Processing in Python) and Kkma [1] libraries were utilized. This analysis resulted in the identification of the top 20 significant words. A correlation analysis revealed that the words sway, think, freedom and today had a statistically significant association with increased self-harm-related emergency room visits. This effect was more pronounced among females than males. This study introduces a computational approach to examining the influence of music lyrics on adolescent self-harm behavior, aiming to establish a foundation for further research into the impact of song lyrics and music genres on adolescent psychology.
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