نتایج جستجو برای: high risk sex
تعداد نتایج: 2901868 فیلتر نتایج به سال:
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
conclusions the results of this study suggested that parental monitoring and affiliation with deviant peers largely explained sexual risk taking among adolescents. therefore, prevention efforts aimed at reducing risky sex should compose of these factors. in fact, the results suggested that earlier prevention efforts may be warranted. results according to the results, about one-fifth of subjects...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
چکیده: سرطان مجاری ادراری-تناسلی یکی از مهمترین علل مرگ و میر در میان زنان سراسر دنیا می باشد. متیلاسیون در موقعیت کربن شماره 5 باز سیتوزین یکی از مهمترین انواع تنظیمات اپی ژنتیکی بوده که روی مولکول دو رشته ای dna اتفاق می افتد. متیلاسیون باز سیتوزین ارتباط تنگاتنگ با تنظیم بیان ژن دارد. وضعیت متیلاسیون dna را با تکنیک بیسولفیت سکوئنسینگ می توان مورد بررسی و مطالعه قرار داد. متیلاسیون dna سبب ...
Introduction: High-risk behaviors in any society are considered as one of the major threats to the health system. Because adolescents are more at risk than other age groups, they are more prone to this type of behavior. The purpose of this study was to investigate the prevalence of high-risk social behaviors among adolescent students in Guilan province. Method: This research was conducted by c...
Introduction: High-risk behaviors in any society are considered as one of the major threats to the health system. Because adolescents are more at risk than other age groups, they are more prone to this type of behavior. The purpose of this study was to investigate the prevalence of high-risk social behaviors among adolescent students in Guilan province. Method: This research was conducted by c...
با توجه به اهمیت تالاب شادگان در محیط زیست ایران و افزایش آلودگی های منطقه، در پژوهش حاضر غلظت کل و منشایابی فلزات سنگین در رسوب تالاب شادگان مورد بررسی قرار گرفت. بدین منظور نمونه برداری از رسوب سطحی 10 ایستگاه با 3 تکرار صورت گرفت. جهت تعیین غلظت کل فلزات رسوب از روش (direct aqua regia)و برای آنالیز غلظت های فلزات در بخش های ژئوشیمیایی رسوب از روش استخراج پی در پی استفاده شد. آماده سازی نمونه...
background: long distance truck drivers (ldtds) and their sexual health risk behaviors have been associated with greater prevalence of sexually transmitted infections (stis), hiv and hepatitis virus transmission. however, there is no information about iranian ldtds' high-risk behaviors. the aim of this investigation was to estimate the prevalence of high-risk behaviors in iranian ldtds. methods...
prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...
background & aim: aids is one of the major public health challenges all over the world. perceived risk is a significant predictor of high-risk behaviors related to aids. women constitute more than half of the hiv patients, and the rate of female sex workers with aids is more than the rest of female population. therefore, the present study aimed to evaluate aids risk perception and its related f...
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