background pertussis is a highly communicable, vaccine-preventable respiratory disease; which may circulate even in populations with high vaccination coverage. although frequent, but it is often underestimated as a cause of prolonged cough illness in both children and adults. without boosting, the protection of the childhood vaccination would be minimal after 10 years. the need for adult booste...

background: despite cultural and religious prohibitions against premarital heterosexual relationships and intimacy, some recent evidence suggests some rise in premarital heterosexual interactions and relationships among young people. on the other hand, although hiv in iran is a concentrated epidemic and mainly reported among high risk groups such as injecting drug users (idus), but there are ev...

sudden cardiac death (scd) in a young athlete is rare, but catastrophic. exercise acts as a risk factor for scd in people with cardiovascular disease. a diversity of cardiovascular disorders including hypertrophic cardiomyopathy, congenital coronary anomalies, arrhythmogenic right ventricular dysplasia, dilated cardiomyopathy, aortic rupture due to marfan syndrome, myocarditis, valvular disease...

abstract background: in the past two decades psychoactive drugs especially among adolescents and youth are common, these drugs located in the second row of drug abuse in the world. present study performed with aim of determinant of predictors of psychoactive drugs use among adolescents and youth in kermanshah city based on theory of planned behavior. methods: this cross-sectional study was perf...

Objectives: The prevalence of impacted teeth fluctuates across various ethnicities and geographical regions. The aim of the present study was to evaluate the prevalence and patterns of impacted teeth among patients living in the central part of Iran. Methods: This retrospective study was conducted on 3632 patients within the age group of 17-30 years. The frequency and pattern of the impaction w...

Granuloma annulare is one of the granulomatous dermatoses, the localized form of which is the most common clinical type, although rare variants such as subcutaneous form have been reported.We present a 22-year-old girl with asymptomatic cutaneous lesions on her fingers from 14 years ago.On physical examination, multiple nodules with rubbery consistenc...

background: this paper aims to examine the reproductive health and behaviors which might expose young people at risks of stis/hiv and potential correlates of such behaviors among female college students in tehran. methods: this paper focuses on the study conducted on a sample of 1743 female undergraduate students in four multidisciplinary universities in tehran during 2005-2006 using a two-stag...

background: to investigate the prevalence of metabolic syndrome (mets) in young chinese population and assess the as­sociation between homa-ir and different components of mets in young chinese men. methods: overall 5576 young chinese subjects (age range [19-44 yr], 3636 men) were enrolled in, who visited our health care center for a related health checkup from march to december 2008. the intern...

background: this study was designed to determine the frequency of microsatellite instability (msi) in young iranian pa­tients with endometrial carcinoma and to evaluate its association with histopathologic and clinical features of disease. methods : microsatellite status was analyzed in 23 patients with endometrioid type endometrial cancer who were less than 55 years. clinicopathologic characte...

recurrent sigmoid volvulus is a clinical entity characterized by recurrent episodes of partial or complete sigmoid volvulus. although it is commonly seen in the elderly, it can be occasionally seen in younger patients. patients with recurrent partial sigmoid volvulus are relatively asymptomatic or present with mild abdominal pain. early diagnosis and treatment is essential to prevent conversion...