This article appeared in a journal published by Elsevier. The attached copy is furnished to the a... more This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: http://www.elsevier.com/authorsrights The relationship between the conditions of health of the population and the average intelligence quotients (IQs) was examined in a sample of 138 countries. Health conditions were proxied by DALY rates for infectious and parasitic diseases, perinatal and maternal conditions, and nutritional deficiencies. Results show how the burden of considered diseases – and, particularly, of perinatal and maternal – is strongly and negatively related to national IQs even when income, education, and temperature or latitude are controlled for. The effect of education on national IQs is significant, but lesser than that of health. The burden of disease is a strong predictor of international differences in average cognitive abilities. Investment in health in poor countries, and particularly in maternal and neonatal health, would have long-term economic returns by reducing international inequalities.
This article appeared in a journal published by Elsevier. The attached copy is furnished to the a... more This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: http://www.elsevier.com/authorsrights The relationship between the conditions of health of the population and the average intelligence quotients (IQs) was examined in a sample of 138 countries. Health conditions were proxied by DALY rates for infectious and parasitic diseases, perinatal and maternal conditions, and nutritional deficiencies. Results show how the burden of considered diseases – and, particularly, of perinatal and maternal – is strongly and negatively related to national IQs even when income, education, and temperature or latitude are controlled for. The effect of education on national IQs is significant, but lesser than that of health. The burden of disease is a strong predictor of international differences in average cognitive abilities. Investment in health in poor countries, and particularly in maternal and neonatal health, would have long-term economic returns by reducing international inequalities.
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