background and objective: job stress can have a direct impact on the incidence of work-related injuries and unsafe behavior and the highest rates of occupational injuries are in the health professions. therefore, as we did not find any studies regarding the physician's assistants job stress; this research was performed to determine the relationship between job stress and occupational injuries a...

background the sitting position, rather than squatting, during defecation has been hypothesized to be a risk factor for colorectal cancer (crc). methods we conducted a case-control study to test this hypothesis. a total of 100 crc cases from two hospitals in iran and 100 control subjects, selected from the coronary care unit (ccu) of those same hospitals were selected for this study. we adminis...

background: colorectal cancers (crcs) including colon, rectum and anal cancers are the third most prevalent cancers in the world. there are strong evidence showing the risk of the cigarette smoking, alcohol use, low physical activity and some types of diets in crcs; however, few studies explored the relationship between opium use and crcs. this study aimed to investigate the association between...

background: coffee is implicated in the susceptibility to several cancers. however, the association between coffee and lymphoma remains unclear. this meta-analysis aimed to assess quantitatively the association between coffee and the incidence of lymphoma. methods: a literature search was performed for cohort and case-control studies published using pubmed, cochrane, and embase databases. studi...

background: thyroid cancer is the most common endocrine malignancy. several risk factors were found to play a role in thyroid cancer. the purpose of the study was to determine the risk factors for thyroid cancer, in babol, north of iran. method: 80 patients with thyroid cancer were selected as case group and 160 people living in the neighborhood of the patients as control group. risk factors in...

To conduct a systematic review and meta-analysis on controlled treatment trials of meta-cognitive therapy (MCT) for anxiety disorders, studies were included if they employed controlled methodology and treated people above 18 years with anxiety disorders. Case studies (with less than 4 cases) and single case designed studies were excluded. A comprehensive literature search identified 15 trials f...

Background: Vitiligo is an acquired skin discoloration with melanocytic destruction. Vitiligo is associated with other autoimmune disorders; hence, an autoimmune etiology is among the most important theories for this disorder. The nails can be involved in numerous cutaneous or systemic non-cutaneous disorders. We have taken into consideration previous studies on nail abnormalities in vitiligo a...

Chloroquine has several disadvantages consisting hypoglycemia, diarrhea, prolong QTc interval, and AV block (21-22). In addition, Gendelman et al., recently published an article about inefficacy of continuous Hydroxychloroquine or colchicine therapy for prevention of SARS-CoV 2 infection (23). According to recent RCTs, HCQ has no therapeutic effects on prevention or improvment of major outcomes...

Wireless Structural Control (WSC) systems can play a crucial role in protecting civil infrastructure in the event of earthquakes and other natural disasters. Such systems represent an exemplary class of cyber-physical systems that perform close-loop control using wireless sensor networks. Existing WSC research usually employs wireless sensors installed on small lab structures, which cannot capt...