background and objectives: pulse oximetry is the most common technique for monitoring hemoglobin oxygen saturation (spo2). different colors and brands of nail polish may cause disturbance in the reading and interpretation of oxygen saturation. the aim of this study was to determine the effect of different colors of nail polish on oxygen saturation measured by pulse oximeter. methods: thirty hea...

objective(s): crocin is the chemical ingredient primarily responsible for the color of saffron. it has different pharmacological effects such as antioxidant, anticancer and memory improving activities. crocin tablets were evaluated for short-term safety and tolerability in healthy adult volunteers. materials and methods: the study was a randomized, double-blind, placebo-controlled design consis...

In response to Toni Feder’s item “The US is in dire need of STEM teachers” (March 2022, page 25), I would like make note the work being done by American Association for Advancement Science’s Volunteer Program (stemvolunteers.org), which coordinate. We recruit (science, technology, engineering, and mathematics) professionals assist K–12 teachers their classrooms.The program began 2004 currently ...

Extensive research has examined how family status, composition and dynamics affect volunteering, but not members volunteer as a group. This note explores volunteering – two or more of together. Using diary data from the United Kingdom Time Use Survey, it examines some essential facts about extent patterns volunteers differ individuals who together with their non-volunteers. The results suggest ...

introduction: bioterrorism is a worldwide problem and has been the focus of attention during recent decades. there is no precise information on the knowledge, attitude, and preparedness of iranian red crescent volunteers in dealing with bioterrorism. therefore, the present study aimed to evaluate the above-mentioned parameters in mahabad red crescent society volunteers. methods: in this prospec...

Background In many developing countries like Ghana, community volunteers assist in the provision of certain health services to rural and hard-to-reach communities. This study examined factors that influence the motivation and retention of community-based volunteers supporting with work on health-related activities at the community level in Ghana.   Methods Using a sequential mixed-method design...

the purpose of this study was to determine the relationship between motivation and commitment of volunteers in 9th sport olympiad of iran universities. the statistical population of this study included all volunteers (n=240) who participated in this event (women and men). 147 subjects were randomly selected as the sample of this study according to morgan table. kinso (2007) questionnaire was us...