Background The world-wide prevalence of overweight and obesity among children and adolescents has reached an alarming level and become a major health problem in today’s world. The aim of this study was to identify the stages and processes of change as well as their relationship with weight controlbased on a Trans- theoretical Model (TTM) in overweight and obese Iranian adolescents. Materials an...

in this paper a single server queuing production system is considered which is subject to gradual deterioration. the system is discussed under two different deteriorating conditions. a planning horizon is considered and server which is a d/m/1 queuing system is gradually deteriorates through time periods. a maintenance policy is taken into account whereby the server is restored to its initial c...

Objective: Substance dependence is the most critical biopsychosocial and legal problem. It has various harmful effects at the individual, familial, and society levels. The current study aimed to determine the effect of mindfulness-based cognitive therapy on reducing the intensity of substance dependence and improving cognitive emotion regulation in substance-dependent patients under methadone m...

This paper studies a series production system through the integration of the decisions associated with Maintenance Management (MM) and Statistical Process Control (SPC). Hence, the primary question of the paper can be stated as follows: In a series production system, how can the decisions of MM and SPC be coordinated? To this end, an integrated mathematical model of MM and SPC is developed. Usi...

Substance abuse is also related to psychological skills that affect the treatment process. Identifying the role of these skills can be useful for the development of a better intervention. This purpose of this study was to compare the coping strategies and emotion regulation profiles among opium users, methadone maintenance treatment clients, and normal individuals. The sample was selected among...