This study's purpose was to learn why some youth who participated in the Strong African American Families (SAAF) program increased alcohol use after 2 years whereas other youth did not. Using a sample of 28 African American caregiver-youth dyads, the authors collected qualitative data to explore these issues. Findings underscore the importance of caregivers' practicing vigilant monitoring to ke...

The purpose of this study was to quantify the home advantage in both men's and women's First and Second Division water polo leagues, to compare the results obtained according to sex of participants and the level of competition, and to test for possible differences in home advantage when considering the interaction between these two factors. The sample comprised four seasons from 2007-2008 to 20...

Cytosine DNA methylation is the addition of a methyl group to the 5' position of a cytosine, which plays a crucial role in plant development and gene silencing. Genome-wide profiling of DNA methylation is now possible using various techniques and strategies. Using these technologies, we are beginning to elucidate the extent and impact of variation in DNA methylation between individuals and/or t...

background and purpose: one landmark of adolescence is the increasing value young people place on friendship and relationship with peers.the aim of this study was to determine adolescents and key informants’ perceptions and experiences regarding to importance of peer groups. methods: sixty-seven female adolescents (12–19 years) and 11 key informants, recruited from urban and rural areas from sa...

background and objectives: the aim of this study was to explore the food safety knowledge and behavior of housewives in the city of tehran, iran in 2015. materials and methods: in this qualitative study 12 focus group discussions by directed content analysis method (n= 96), were conducted among the women who were responsible for food handling in their households in 10 health centers. each sessi...