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O problema da transformação das relações laborais tem necessariamente de ser discutido à luz do actual contexto de globalização económica para que se compreendam as consequências deste processo para o movimento sindical e os novos desafios que este tem hoje pela frente. Como se sabe, a economia mundial assentou desde sempre em múltiplos desequilíbrios entre centros e periferias. Mas, hoje, os contrastes entre pólos de desenvolvimento e zonas de exclusão e de miséria não só assumem contornos ..

Since 1980 the neoliberal agenda has become the strongest advocate against social and labour rights. However, the 2008 crisis emerged a new economic, political and juridical model based on the idea of austerity-a muscled form of neoliberalism which deepens the neoliberal ideology by other means. Bearing this in mind, I have chosen to organise this paper around three topics. In the first section, my purpose is to suggest that, in addition to the obvious economic and financial aspects of the austerity model, there is also a social model of reality that must be characterised sociologically. In the second, assuming that to a certain concept of law there is a certain concept of society, I state that to the austerity society correspond a certain type of law and politics. Finally, I identify four possible paths of developing research and action programmes for sociology of the law of austerity.

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Vitamin D is a micronutrient essential to various systems from the human body, and it is not restricted to the classical function of bone mineralization. Its synthesis is mainly related to ultraviolet B (UVB) radiation exposure. Although Brazil is a tropical country with high levels of UVB radiation, counter-intuitively, a large number of Brazilians present vitamin D deficiency, which is also a worldwide issue. This review aims to approach clinical features and explore potential causes for this apparent contradiction through questions that could explain vitamin D deficiency in the Brazilian population.