Personal social network size exhibits considerable variation in the human population and is associated with both physical and mental health status. Much of this inter-individual variation in human sociality remains unexplained from a biological perspective. According to the brain opioid theory of social attachment, binding of the neuropeptide β-endorphin to μ-opioid receptors in the central ner...

Olfaction is an important medium of social communication in humans. However, it is not known whether olfactory function is associated with social network size. This study aimed to explore the underlying neural mechanism between olfactory function and social network. Thirty-one healthy individuals participated in this study. Social network size was estimated using the Social Network Index. Olfac...

this paper studies the experience of social exclusion in women with hiv. the method research is qualitative research and the technique used to collect data is interview. also, the population is women with hiv in clinique of behavioral sickness counseling in tehran. the sample size is 30 people. research findings indicate that these women have experienced exclusion. also, the results show that s...

The appearance of different social media has been very influential in individuals’ life. The most common social networks are virtual social networks which have been fascinated by many users because of a lot of similarities with human society, and communications and interactions which are formed in it. This study investigates the role of membership and participation in virtual social network on ...

Patients with non-insulin-dependent diabetes mellitus (NIDDM) were advised to comply with a complex behavioral regimen of diet and exercise. The relationship between social support satisfaction and social support network size was evaluated using the Social Support Questionnaire for 32 men and 44 women with a confirmed diagnosis of NIDDM. Control of diabetes, as measured by the glycosylated hemo...