The objective of this study was to evaluate non-genetic factors affecting longevity and survival of Guilan sheep from birth to yearling. Longevity and survival records of 41037 lambs born from 496 rams and 10256 ewes of Guilan sheep were analyzed using linear and Weibull models. Results indicated that the overall mean of longevity was 1260.84 days. The fixed effects of flock, dam age, sex, year...

background: we aimed to identify the role of sirt 6 gene polymorphism rs350846 in human longevity. methods: sirt 6 c/g genotypes were determined using taqman snp genotyping assays in 169 long-lived inhabitants (lg group aged 90-110 yr), 158 healthy internal controls (internal control group; aged 26-82 yr) and 176 healthy external controls (external control group; aged 20-82 yr) without a family...

abstract background: happiness is a drive and constructive force of life. a person feels wellbeing under different effective factors. religious dogmatism that has an influence on the entire world is one of the depreciatory factors of happiness or wellbeing. the current study decided to analyze the relation between dogmatism and wellbeing, and according to a model, answer the following question:...

Children, Spousal Love, and Happiness: An Economic Analysis In this paper we examine how children affect happiness and relationships within a family by analyzing two unique questions in the National Longitudinal Study of Youth’s 1997 cohort. We find that (a) presence of children is associated with a loss of spousal love; (b) loss of spousal love is associated with loss of overall happiness; but...

happy feeling has essential role in life of human beings during the generations. people always try to pass their life with satisfactions and happiness and to be adopted themselves.on this base we have done two different statistical analyses. at first we studied different relational samples with nature and happiness indicators in 250 ordinary people (community) through social network application...

Objective: Happiness, as one of the most important aspects of students’ mental health has a significant influence on their social growth and personality development, and it has always been of interest to the researchers in different fields of psychology. Methods: In this study, the method of correlation was used and the population of study was all students of Farhangiyan U...

Introduction: Academic buoyancy is one of the effective variables in the field of education and learning environment of students. Therefore, the aim of this study was to design a model of academic buoyancy based on life expectancy mediated by happiness in female high school students in Hamadan. Method: The research method was correlational and structural equations. The statistical population in...

Happiness is one of the most fundamental human goals, which has led researchers to examine the source of individual happiness. Happiness has usually been discussed regarding two aspects (a temporary positive emotion and a trait-like long-term sense of being happy) that are interrelated; for example, individuals with a high level of trait-like subjective happiness tend to rate events as more ple...

Assessing national levels of happiness has become an important research and policy issue in recent years. We examined happiness and satisfaction in Ireland using phone text messaging to collect large-scale longitudinal data from 3,093 members of the general Irish population. For six consecutive weeks, participants' happiness and satisfaction levels were assessed. For four consecutive weeks (wee...