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Background and Objective: Mortality rate and causes of death is one of the main components in health planning at each society. This study was done to show the pattern of mortality trends in Iran during 1970-2009. Materials and Methods: In this cross-sectional descriptive study related data to 9740656 deaths registered in National Organization Civil Registration were surveyed and analyzed during 1970-2009. SPSS software and statistical descriptive methods were applied to evaluate the data. Results: 60.4% of all registered death was in rural areas. 61.1% were male. Crude death rate according the current statistics decreased from 13 per 1000 in 1970-75 to 5 per 1000 in 2005-09. Life expectancy with 28.6% increased from 55.2 years in 1970-75 to 71 years in 2005-09. Conclusion: This study showed that all mortality indicators in Iran were lower than other part of the world. There was a general decreasing in infant mortality rate in last three decade. Also the death registry system has been improved during study years.

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Background and Objective: In recent years, psychological therapies increasingly used as complementary treatment of group psychotherapy. This study was done to evaluate the effectiveness of logotheraphy and cognitive-behavioral therapy on life expectancy among students with depression disorder.
Methods: This clinical trial study was performed on 45 students with depression disorder whom refered to consulting center in Rasht city, north of Iran during 2018-19. Subjects were randomly divided into three groups including logotheraphy, cognitive-behavioral and control groups. At first, students who were willing to participate in this course completed Miller Hope Scale (MHS) Scale (pre-test). Then, the interventional groups were received logotheraphy and cognitive-behavioral group counseling for 10 weeks (90 minutes each session, once a week). After completing the course of treatment, all three groups were retested and one month after the post-test, a follow-up test was performed.
Results: The mean score of the life expectancy of students with depression in interventional groups (logotheraphy, cognitive-behavioral) were significantly increasd in compared to controls in post-test and one month after follow up (P<0.05). There was no difference between cognitive-behavioral therapy and logotheraphy in score of the life expectancy of students with depression in post-test and one month after follow up.
Conclusion: This study showed that the group counseling method of logotheraphy and cognitive-behavioral therapy can increase the life expectancy of students with depressive disorder by teaching concepts such as identifying negative spontaneous thoughts and cognitive distortions and techniques of their own techniques as a useful intervention method.