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Original Article
A study on the menstruation of Korean adolescent girls in Seoul
Jin Chul Lee, Byung Keun Yu, Jung Hye Byeon, Kee-Hyoung Lee, Jung Hye Min, Sang Hee Park
Clin Exp Pediatr. 2011;54(5):201-206.   Published online May 31, 2011
Purpose

Westernized eating habits have been associated with early-age menstruation, which increases the incidence of dysmenorrhea and premenstrual syndrome among adolescent girls. We therefore surveyed changes in menarche timing and the general menstrual characteristics of adolescent girls in Seoul, Korea.

Methods

We surveyed 538 teenage girls who visited our hospital between July and November 2007. Items explored included age at menarche, general menstrual...

A study of adolescent smoking and drinking in Korea
Byung Keun Yu, Yeon Joung O, Jin Chul Lee, Kee-Hyoung Lee, Jung Hye Min, Sang Hee Park
Clin Exp Pediatr. 2009;52(4):422-428.   Published online April 15, 2009
Purpose : Adolescence is a period of growth and development in body structure and physiologic, psychologic, and social functioning. Smoking and drinking in this period are very harmful and may lead to other forms of substance abuse. We surveyed the actual aspects of smoking and drinking among Korean adolescents and analyzed associated factors. Methods : A survey was performed among adolescents...
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