The effect of demographic history on patterns of polymorphism at a locus can seriously impede the detection of selection. Sliding window analysis of Tajima’s D was performed on sequence data available for Picea abies. The distribution of Tajima’s D was compared to coalescent simulations of different demographic scenarios. A growth model including some population differentiation was found to exp...

The population structure in most European countries is currently changing, with a shift from younger to older age groups. Only sparse data exist on the impact of these demographic changes on future blood demand and supply. Data on blood recipients are sparse and unconnected to data on blood donors. The first part of this review summarizes studies on the effect of the demographic change on blood...

background: there are few articles studding the factors associated with successful smoking cessation in iranian smokers. the aim of this study is to clarify the association between socio‑demographic factors and smoking behavior, such as number of failed smoking cessation and duration of abstinence in iranian population. methods: a self‑administered questionnaire survey of 673 participants was c...

background: the main objective of this study was to evaluate the prevalence of the obesity and the related risk factors in the north of iran. methods : this was a population-based cross-sectional study that enrolled 2495 subjects (1247 males and 1248 females) using stratified cluster sampling. interviewers recorded the data using a multidimensional questionnaire including anthropometric indexes...

background: estimating the burden of non-communicable diseases particularly cardiovascular disease (cvd) is essential for health management and policymaking. in this paper, we used a regression model to estimate the future impact of demographic changes on the burden of cvd in iran during the next two decades. methods: disability-adjusted life years (daly) were used to estimate the future burden...

childhood obesity and overweight are a general public health concern in a transition society. thus, the objective of the study was to determine the prevalence of overweight, obesity and their correlates with socio-demographic and life style related factors.this cross-sectional study was conducted on 760 representative samples of preschool children aged 2 to 5 years in urban area of babol, north...