نتایج جستجو برای: environmental risk factor
تعداد نتایج: 1981314 فیلتر نتایج به سال:
background: several environmental and psychosocial risk factors are known for adolescent smoking as the single cause of preventable diseases and premature death. this cross-sectional study aimed to determine the prevalence of cigarette smoking, socio-demographic factors associated with cigarette smoking (age, education level, parents’ job, and family’s socioeconomic statues), and the role of fa...
infertility is believed to be part of the various medical problems that has increased up to 50% since 1955 in the world and 10-15% of couples are already suffering from it. development of industrialization and urbanization in human societies have dramatically changed the human life style and led gradually to the increase of various environmental risk factors. humans are exposed to polluted air,...
these days, all department stores make an effort to provide their clients with valuable products in order to project the best image for them. as a result, clients’ comprehension risk will decrease and they will be more willing to repurchase. having a good image is really important for the department stores because it makes an impression on clients’ comprehension of both quality and risk. consid...
with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...
Background: Several environmental and psychosocial risk factors are known for adolescent smoking as the single cause of preventable diseases and premature death. This cross-sectional study aimed to determine the prevalence of cigarette smoking, socio-demographic factors associated with cigarette smoking (age, education level, parents’ job, and family’s socioeconomic statues), and the role of fa...
background: recently, we introduced solar related geomagnetic disturbances (gmd) as a potential environmental risk factor for multiple sclerosis (ms). the aim of this study was to test probable correlation between solar activities and gmd with long-term variations of ms incidence. methods: after a systematic review, we studied the association betwee n alterations in the solar wind velocity (vsw...
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: Periodontitis is multifactorial in nature. The effects of fluorosis as an environmental factor are not evaluated and researched to designate it as a risk factor similar to smoking. The primary objectives of this study were to investigate whether there is any association between fluorosis and periodontal disease and to assess salivary oxidative stress in fluorosed and nonfluorosed pa...
purpose: to determine the prevalence and risk factors for retinopathy of prematurity (rop) in high risk premature infants admitted to nicu wards in isfahan from 2003 to 2008. methods: in this retrospective case series, 604 records of high risk infants were reviewed in terms of gestational age, birth weight, oxygen supplementation, delivery method, history of consanguineous marriage, single or m...
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