烟酒风险认知不足、不吃早餐比例增加，韩国青少年健康指标引担忧

Group 1 - The core viewpoint of the articles highlights a concerning trend in the health behaviors of South Korean adolescents, showing an increase in harmful behaviors such as smoking and drinking as they progress through school grades, while basic health habits are deteriorating [1][2][3] - The survey, initiated in 2019, tracked 5,051 sixth-grade students over a 10-year period, revealing that health indicators worsen with each grade level, particularly in smoking behavior, which increased nearly 27 times from 0.35% in sixth grade to 9.59% in the second year of high school [1] - The report indicates that the transition from elementary to middle school is a critical period for exposure to harmful behaviors, with 60.8% of adolescents having experienced alcohol and a significant increase in drinking behavior noted among first-year middle school students [2] Group 2 - The smoking behavior among female adolescents is particularly alarming, with the usage rate of liquid electronic cigarettes surpassing that of traditional cigarettes for the first time, indicating a shift in perception towards electronic cigarettes as a less stigmatized option [2] - Basic health indicators are declining, with 33% of adolescents skipping breakfast at least five days a week, a 4 percentage point increase from the previous year, and a decrease in the regular intake of fruits, vegetables, and dairy products [2] - Mental health issues are also on the rise, with 35.1% of adolescents showing signs of smartphone dependency and 8.0% experiencing moderate to severe anxiety symptoms, suggesting a growing concern for the mental well-being of this demographic [3]