background & aim : adolescence is a sensitive period and psychological health during this period is of significant importance. several studies suggest that self-esteem is a better predictor of success in studying than intelligence scores. having assertiveness is considered important in having a high self-esteem. this study has been carried out in order to determine the influence of assertivenes...

introduction: it is generally assumed that 50% of the cases of anemia are due to iron deficiency. the most severe consequence of iron depletion is iron deficiency anemia (ida), and it is still considered the most common nutrition deficiency worldwide. the main risk factors for ida include: inadequate iron intake, impaired absorption or transport, physiologic losses associated with chronological...

Data on menarcheal age were collected on girls admitted to the University College of Swansea over a 12-year period. It appears that the downward trend in menarcheal age ceased in girls born about 1946 (the 1965 student intake) and that an upward swing may have since occurred. This change in the secular trend is not due to the association of menarcheal age with family size or of position in sibs...

Using the Student Life Stress Inventory and the Coopersmith Self-Esteem Inventory, stressors and reactions to stressors were identified in gifted high school students and compared with non-gifted students. Altogether, 340 boys and girls (156 gifted and 184 non-gifted students) from four high schools in Shiraz (two high schools for gifted and two for non-gifted students) took part. Although ther...

One of the most important issues in community is health and progress people. Because of durability of a community depends on health each person. In this regard, the present study aims to compare anthropometric, biomechanical and psychological factors between university student and student girls done. Subjects of the study were 86 girls 15-17 years old and 113 university student 18-24 years old,...

The purpose of this study was to explore the associations between the qualities of different types of relationships in school, social support and loneliness in adolescence. Using a sample (N=1674) of adolescent students randomly selected from middle schools, we found boys' loneliness was influenced by the qualities of opposite-sex, teacher-student and same-sex relationships, whereas girls' lone...