background: the internet is a phenomena that changes human, specially the younger generation’s, life in the 21st century. online communication is a common way of interacting among adolescents who experience feelings of social anxiety. the aim of this study was to investigate the relationship between social anxiety and online communication in adolescents. methods: three hundred and thirty studen...

background:  physical activity is a complex behavior. to designing the effective intervention, qualitative researches may be allowed for greater understanding of the reasons behind the adolescences’ physical activity‑related behaviors’. methods: using the grounded theory approach, including semi‑structured focus group discussions  (fgds) and in‑depth interviews, we conducted a quantitative stud...

mental health problems including emotional and behavioral problems during puberty may be under influence of different risk factors including cultures, living in urban or rural areas and ethnic factors which may vary between different countries. the main aim of this study is to investigate the profile of emotional and behavioral problems and the role of factors such as age, stage of puberty, eth...

conclusions the results suggested that severely thin girl runners has steadily increased. surveys on the health consequences of extreme thinness are necessary for the female adolescent runners. methods body mass index (bmi) were analysed in 9,881 female and 12,786 male runners participating in the annual national road relay races between 1989 and 2014 using the directory of a track and field ma...

objective: the aim of the present research was to determine whether depression and interpersonal problems had relationships with alexithymia and coping styles in adolescents. methods: the study population was randomly selected from all of the adolescent students in the schools of sari in iran 441 adolescents (228 boys and 213 girls) were included in the study. the participants completed the tor...

objective: smoking is a worldwide health problem. despite recent efforts to reduce the rate of smoking, adolescent smoking still remains a significant public health concern. current study was conducted to determine the effects of socio-environmental and personal factors on the smoking among adolescents. method: in the first stage of a longitudinal study of smoking in adolescents, 1785 students ...

introduction : brain-based teaching is the implementation of principles and strategies derived from an understanding of the brain to enhance learning. authors in this research investigated the effects of brain-based training on learning and retention of life skills in adolescents. methods: this experimental study was designed as pre- post-test with a control group model and was conducted at the...

background & aim: primary dysmenorrhea is a common problem among women, resulting in a decline in their performance level and quality of life. previous studies have not indicated a definite relationship between body mass index (bmi) and dysmenorrhea. therefore, this study aimed to determine the severity of dysmenorrhea and investigate its relationship with bmi among female adolescents in hamada...

background: the aim of this study was to directly compare efficacy of atomoxetine and methylphenidate in treatment of children and adolescents 6- 18 years.   methods: all published, randomized, open label or double blind trials, comparing the efficacy of methylphenidate with atomoxetine in treatment of children diagnosed with adhd, using dsm-iv criteria were included in this study; adhd rating ...

background dyslipidemia is a major risk for cardiovascular diseases. the aim of this study is to review the effects of nutraceuticals to modify lipid disorders in children. materials and methods the literature research was conducted in embase, medline, pubmed, scopus, isi web of science, and cochrane library from 2002 until january 2015. the following keywords were used: dyslipidemia, hyperlipi...