a bstract background: self‑esteem is known to be one of the most important markers of successful aging. older people’s self‑esteem is influenced by several factors that particularly may be health related. therefore, this study aimed to explore some important general health‑related predictors of the older people’s self‑esteem.   materials and methods: in this study, 200 people, aged 65 years and...

the study of tumor viruses paves the way for understanding the mechanisms of virus pathogenesis, including those involved in establishing infection and dissemination in the host tumor affecting immune-compromised patients. the processes ranging from viral infection to progressing malignancy are slow and usually insufficient for establishment of transformed cells that develop cancer in only a mi...

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...

objectives: stuttering is one of the most prevalent speech and language disorders. symptomology of stuttering has been surveyed from different aspects such as biological, developmental, environmental, emotional, learning and linguistic. previous researches in english-speaking people have suggested that some linguistic features such as word meanings may play a role in the frequency of speech non...

although delivering of oxygen to patients seems to be easy, but this procedure can include some risks. in this article, we try to show you how this procedure can perform in a safe manner.   have you ever worked in a medical-surgical ward, or emergency department, or also in intensive care unit?   perhaps you ever have the care of patients who have need for supplemental oxygen. oxygen therapy is...

articular cartilage, the load-bearing tissue of the joint, has limited repair and regeneration ability. the scarcity of treatment modalities for large chondral defects has motivated researchers to engineer cartilage tissue constructs that can meet the functional demands of this tissue in vivo. cartilage tissue engineering requires 3 components: cells, scaffold, and environment. owning to their ...

by late 18th or early 19th century, albino rats became the most commonly used experimental animals in numerous biomedical researches, as they have been recognized as the preeminent model mammalian system. but, the precise correlation between age of laboratory rats and human is still a subject of debate. a number of studies have tried to detect these correlations in various ways. but, have not s...

intra-abdominal desmoplastic small round cell tumor is a rare entity with a few reports worldwide. this tumor commonly occurs in children and adolescent and occurrence in adult age group is very rare. here, we describe an adult male with symptoms of intestinal obstruction due to abdominal mass, located in splenic flexure. after resection, the diagnosis of intra-abdominal desmoplastic small roun...

objective: nowadays, it is well known that the attentiondeficit/ hyperactivity disorder (adhd) is not confined to children and adolescents. recent data showed that a considerable portion of the general adult population may be affected by adhd. on the other hand, the impact of adhd on driving performance, a major area of adult life, has gained enthusiasm. more recent studies revealed an associat...

adult-onset still’s disease (aosd) is a rare systemic inflammatory disorder of unknown etiology. there is not currently any specific serological markers for aosd , and  diagnosis still relying on the exclusion of other likely diagnoses. yamaguchi’s criteria are used as a diagnostic criterion which contains negative serologic markers for other collagen vascular diseases including systemic lupus ...