Argument. Selectionist thinking is applied to Ž ve areas: the relationship of age and sex to crime, the inverse correlation between degree of kinship and homicide, paedophilia, persistent antisociality, and sexual coercion. In each of these areas, ultimate causes of behaviour are distinguished from proximal causes. Ultimate causes are produced by selective forces in ancestral environments and a...

Twenty-five years ago, Sir Richard Doll and Sir Richard Peto estimated in their landmark monograph, The Causes of Cancer, that 75% to 80% of adult cancer could be attributed to lifestyle choices and environmental exposures.1 In stark contrast, elucidating the causes of childhood cancer remains one of the most vexing questions in medicine. Despite progress in identifying the molecular causes of ...

Background: The extensive education on contraceptive methods, particularly in rural areas of developing countries, play a pivotal role in preventing of induced abortion. The main purpose of this study was to determine the prevalence and major cause of induced abortion in women in northwestern Iran. Materials and Methods: The hospital documentary of 848 women encountering medical examinations du...

Background: It is estimated that 15 million births occur every year to adolescents. This represents about 11%of all births each year. The global average rate of births per 1000 females aged 15-19 years is 65. A range of social, cultural, biological and service delivery factors contribute to the high levels of adolescent pregnancy and childbirth. This study was conducted to determine the causes ...

climate change is a complicated issue with many factors playing role in its formation and distribution. considering this complication, a comprehensive and holistic approach is needed for a better understanding and management of those factors. the causal frameworks are among systemic and integrated methods for addressing the causes of environmental problems and the relationships that exist betwe...

aims: intellectual disability is a condition characterised by the inability of a person to undertake normal psychological activities. the purpose of this study was to systematically review the intellectual disability in children and discuss the implications of different environmental and genetic factors, which describe particular categories of intellectual disable cases. information & methods: ...