social phobia is one of the most common disorders between adolescents and young adults .the aim of this study is to investigate the prevalence of social phobia in abhar`s high school students, at the risk-period for developing social phobia, and its influencing factors . in this cross-sectional study, a total of 5526 high school students of both genders from abhar were selected using a census s...

school is the first social institution which affects adolescents' lives, and it determines their opportunities, life quality and behavior. thus, the aim of this study was to determine the relationship between students' bonds with their school and multiple health risk behaviors amongst high school students in kerman city, iran.in this cross-sectional study, high school students of all levels par...

Maternal consumption of folic acid before pregnancy and during early pregnancy is associated with a reduced risk for some birth defects. Whether folic acid can reduce the risk for imperforate anus is unknown. As part of a public health campaign conducted in China from 1993 through 1995, the outcomes of pregnancies of > or =20 weeks' gestation were evaluated among women using folic acid suppleme...

The direct, skill-enhancing effect of high school employment is difficult to identify because high school work effort is correlated with curricular choices, postsecondary schooling and work effort, and many other observed and unobserved factors. This study uses data for male, high school graduates to estimate a wage model in which detailed measures of high school coursework and post-school work...

BACKGROUND/AIMS The high prevalence of visual defects among children with special needs is well reported and guidelines for vision screening are in place. However, recent research has suggested that vision care for such children is neglected. This study set out to evaluate the current status of vision screening and eye care in special schools in Wales. METHODS In phase 1, all 44 special schoo...