The earth's surface, due to its natural conditions and its structure is always changing and reshaping. One of the created deformations is the land subsidence. This is the most dangerous events which can be seen in most urban areas especially in the agricultural plains today. This study aims at zoning land subsidence and recognition of geometrical factors in southwest of Tehran. To estimate and ...

OBJECTIVE This study examined how maternal work-related factors, including the availability of paid maternal leave, affect childhood vaccination status. Relatively little is known about the association between the employment status of mothers and the vaccination status of their children. METHOD We examined data from the Japanese Study on Stratification, Health, Income, and Neighborhood (J-SHI...

In this paper, we consider three U.S. public policies that potentially influence the work decisions of mothers of infants—parental leave laws, exemptions from welfare work requirements, and child care subsidies for low-income families. We estimate the effects of these policies on the timing of work participation after birth, and on a range of outcomes in the subsequent four years, using a group...

background: diabetes is considered as one of the most common chronic disease. studies show that diabetes decreases the activity of antioxidant enzymes. the purpose of this study was to examine the effect of the alcoholic extract of juglans regia leave on brain antioxidant enzymes in streptozotocin-induced diabetic rats. materials and methods: in this study, adult male wistar rats (n=40, weight ...

BACKGROUND Concussions impair balance, visual acuity, and reaction time--all of which are required for high-level batting performance--but the effects of concussion on batting performance have not been reported. The authors examined this relationship between concussion and batting performance among Major League Baseball (MLB) players. HYPOTHESIS Batting performance among concussed MLB players...

There was a long tradition in philosophy according to which good reasoning had to be deductively valid. However, that tradition began to be questioned in the 1960’s, and is now thoroughly discredited. What caused its downfall was the recognition that many familiar kinds of reasoning are not deductively valid, but clearly confer justification on their conclusions. Here are some simple examples:

1. EPIUnit Instituto de Saúde Pública. Universidade do Porto. Porto. Portugal. 2. Departamento de Epidemiologia Clínica, Medicina Preditiva e Saúde Pública. Faculdade de Medicina. Universidade do Porto. Porto. Portugal.  Autor correspondente: Mariana Amorim. [email protected] Recebido: 18 de Julho de 2014 Aceite: 15 de Dezembro de 2014 | Copyright © Ordem dos Médicos 2015 Mariana AMOR...