due to shortage of contemporary written sources and archaeological evidence, our knowledge about different parts of the median society is very incomplete and fragmentary; therefore, a detailed assessment of some related issues such as conditions of women in this period is difficult and sometimes risky. the results of this research, based on the same historical sources and archaeological evidenc...

Background Childhood malnutrition as a major public health problem among children in developing countries can affect physical and intellectual growth and is also considered as a main cause of child morbidity and mortality. The objective of this study was to estimate the prevalence of under-nutrition and identify determinants of malnutrition among children under 6 years of age in Fars province, ...

Maintenance of old homes can be an extremely hazardous activity if improperly done. For example, lead poisoning can arise from exposure to lead-based paint chips as well as dust produced during prep work for repainting. In this issue, researchers led by Howard W. Mielke of Xavier University of Louisiana attempt to broaden the discussion by looking at a variety of metals existing in old paint be...

Avian influenza (AI) is an acute infectious disease with worldwide significance causing extensive economic losses in the poultry industry. Avian influenza viruses (AIVs) belong to the family Orthomyxoviridae and categorized in the genus influenza virus A. These viruses have been isolated from more than 100 species of free-living birds. Migratory birds are considered as reservoirs for AIVs and a...

background: pediculus capitis (anoplura: pediculidae) or head louse is an obligate ectoparasite transmitted mainly through physical contact. this study was conducted to survey the prevalence of head lice infestation rate and some risk factors in primary school pupils, in khajeh city east azerbaijan province, iran. methods: we selected 20 primary schools of khajeh city during 2008 and 2009. tota...