background adolescence and youth are life-threatening stages of development when a range of unsafe behaviors can harmfully affect a person’s health and their social and educational performance. objectives the present study aimed to determine the incidence and prevalence of high-risk behaviors related to intentional and unintentional harm in adolescents of zahedan (iran). patients and methods th...

the present study was conducted to evaluate the effect of  training on personality formation and mental development of childhood and adolescence. it is important to understand how children develop physically, socially, emotionally and intellectually to know that all areas of development are equally as important as each other, and that all impact on one another. biological and cognitive changes ...

deafness is a heterogeneous condition with far-reaching effects on social, emotional, and cognitive development. many regard themselves as members of a cultural minority who use sign language. they should not continue to be neglected in research on depression. the purpose of this article is to investigate depression among the deaf people based on researches results. we identified relevant studi...

among 2357 prenant women at tehran valiasr hospital, 99 women under 18 years with their 102 neonates were evaluated retrospectively during aprill 1999 to april 2000. frequency of adolescent pregnancy was detected in 41.5 per 1000 live birth 7 (7.1%) of mothers had preeclampisa, 7 thyroidal diseases, 3 valvular heart diseases, 2 urinary tract infections and 20.3% of women had prolonged rupture o...

Adolescence is usually defined as the period of psychological and social transition between childhood and adulthood. The beginning of adolescence, around the onset of puberty, is characterized by large hormonal and physical changes. The transition from childhood to adulthood is also characterized by psychological changes in terms of identity, self-consciousness, and cognitive flexibility. In th...

Introduction Linear or Distance growth Growth Velocity or Rate of Growth Stages of Growth Prenatal Period Postnatal Period Infancy Childhood Adolescence Hormonal Basis of Adolescence Physiological Changes Maturity The Skeletal Maturity Dental Maturity Shape Age Senescence Theories of ageing Overview of postnatal growth: Scammon’s curves Factors affecting growth and development Genetic control E...

Adolescence is a period of intensive development and crucial transitions in human life. Developmental crises, oppositional behaviours and non-adaptive patterns are strengthened. Simultaneously some symptoms of mental disorders appear mostly in poor organised, non-specific prodromal syndromes. In these unstable and developmentally modified conditions psychiatric diagnosis and treatment seems to ...

Adolescence is a period of profound neurophysiological, behavioral, cognitive and psychological changes, but not much is known about the underlying molecular neural mechanisms. The aim of this study was to systematically analyze expression levels of the genes forming serotonergic and dopaminergic synapses during adolescence. We analyzed the mRNA expression profiles of genes that code for all co...

Illicit use of drugs frequently begins and escalates during adolescence, with long-term adverse consequences. Because it is increasingly accepted that neural development continues through adolescence, addiction research has become more invested in understanding the behavioral and molecular consequences of early exposure to drugs of abuse. In a novel binge administration paradigm designed to mod...