The purpose of this article is to examine the incidence of suicide among older people from a crosscultural perspective. A review of the theories and the evidence relied on in studies of the relationship between age and suicide introduces a comparative study of suicide in old age. Age and gender aggregates in eleven countries are examined. Societal conditions, such as educational participation, ...

One approach to gaining a better understanding of how we perceive the world is to assess the errors that human and nonhuman animals make in perceptual processing. Developmental and comparative perspectives can contribute to identifying the mechanisms that underlie systematic perceptual errors often referred to as perceptual illusions. In the visual domain, some illusions appear to remain consta...

High-grade glioma, particularly, glioblastoma, is the most aggressive cancer of the central nervous system (CNS) in adults. Due to its heterogeneous nature, glioblastoma almost inevitably relapses after surgical resection and radio-/chemotherapy, and is thus highly lethal and associated with a dismal prognosis. Identifying the cell of origin has been considered an important aspect in understand...

registration institution guarantees economic and legal security. human societies always noted this point and created several registration systems. land title registration should be simple, reliable…and well suited to the society it serves. with regard to social conditions, every society fallows from one of these systems. iranian registration system has enough capacity to establish legal securit...

The interest in Comparative Effectiveness Research (CER) in the international community is growing. A panel titled "What Can Comparative Effectiveness Research Contribute to Integrative Health in International Perspective?" took place at the 3rd International Research Congress on Integrative Medicine and Health in Portland, Oregon, in 2012. The presentations at this panel highlighted different ...