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Review Article
Endocrinology
Effects of early menarche on physical and psychosocial health problems in adolescent girls and adult women
Jae-Ho Yoo
Clin Exp Pediatr. 2016;59(9):355-361.   Published online September 21, 2016

The menarcheal age of Korean women has been rapidly decreasing for the last 50 years, and the average menarcheal age of women born in the 1990s is approaching 12.6 years. In addition, interest in early puberty has been increasing recently owing to the rapid increase in precocious puberty. Generally, out of concern for short stature and early menarche, idiopathic central...

Original Article
Health and risk taking behaviors of freshmen in college
Hong Ki Ko, Jae Joon Han, Yoon Lee, Young Yoo, Kee Hyoung Lee, Ji Tae Choung, Sang Hee Park
Clin Exp Pediatr. 2006;49(10):1042-1049.   Published online October 15, 2006
Purpose : This study was conducted to survey the preliminary data on risk behaviors and to identify the factors that prevent risk-behaviors in late adolescence. Methods : Freshmen(n=1,297) beginning the first semester in Korea University, Seoul, Korea completed self-administered risk behavior questionnaires, comprising 5 domains : demographics, smoking, drinking, drug abuse and sexual behavior. Results : The rate of smoking experience was...