126 research outputs found
Sedentarismo, exercício físico e doenças crônicas
A inatividade física é fortemente relacionada à incidência e severidade de um vasto número de doenças crônicas. Assim sendo, o exercício físico torna-se uma das ferramentas terapêuticas mais importantes na promoção de saúde e o profissional de Educação Física, o responsável por sua ampla disseminação. Nesse artigo, discorremos sobre as seguintes questões: Qual o impacto - biológico e socioeconômico - da inatividade física na saúde dos indivíduos?; 2) Qual o impacto da inserção da atividade física vida dos indivíduos?; 3) Qual o papel da profissional de Educação Física na promoção de saúde e quais os desafios que a Educação Física, enquanto ciência ("lato sensu") e profissão, deve enfrentar nas próximas décadas? Tendo como ponto de partida o papel da inatividade física sobre a etiologia das doenças crônicas, pretendemos revelar o imenso potencial do exercício físico como agente terapêutico.Physical inactivity is strongly related to the incidence and severity of a number of chronic diseases. Hence, physical exercise emerges as one of the most important therapeutic tool to health promotion, with the Physical Education professional being the responsible for disseminating it widely. In this manuscript, we will discuss the following questions: 1) What is the social and biological impact of physical inactivity on overall health? 2) What is the impact of physical activity on people's lives? 3) What is the role of the Physical Education professional in the promotion of health and what are the challenges that Physical Education Discipline, as a science ("lato sensu") and profession, will face in the next decades? Having in mind the role of physical inactivity upon the etiology of chronic diseases, we intend to reveal the large potential of physical exercise as a therapeutic agent
A simple model for the estimation of congenital malformation frequency in racially mixed populations
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Studies of human mutation rates
The three objectives of the program are: To isolate by the technique of two-dimensional polyacrylamide gel electrophoresis (2-D PAGE), proteins of special interest because of the relative mutability of the corresponding gene, establish the identity of the protein, and, for selected proteins, move to a characterization of the corresponding gene; To develop a more efficient approach, based on 2-D PAGE, for the detection of variants in DNA, with special reference to the identification of a variant in a child not present in either parent of the child (i.e., a mutation); and, To continue an effective interface with the genetic studies on the children of atomic bomb survivors in Japan, with reference to both the planning and implementation of new studies at the molecular level. For administrative purposes, the program is subdivided into four sections, each under the direction of one of the four co-PIs; the progress during the past year will be summarized in accordance with this sectional structure. 1 tab
The costs of human inbreeding and their implications for variations at the DNA level
An analysis of the world literature on the children of first cousin marriages reveals that the depression of survival in offspring followed from birth (including late miscarriages; at about six months gestation or later) to a median age of 10 years is constant (4.4% plusminus 4.6) across a wide range of values for population prereproductive mortality. There is thus no evidence for the action of conditional lethals. On the basis of these data, it is calculated that the average human is heterozygous for only 1.4 lethal equivalents capable of acting over this portion of the life cycle. The implications of these results are discussed in the context of genetic counseling, and the biomedical significance of variation in DNA
Consanguinity as a determinant of pre-productive mortality: A global perspective
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