The second edition of Mildred Blaxter's successful and highly respected book offers a comprehensive and engaging introduction to the key debates surrounding the concept of health today. It discusses how health is defined, constructed, experienced and acted out in contemporary developed societies, drawing on a range of empirical data from the USA, Britain, France, and many other countries. The new edition has been thoroughly revised and updated, with new material added on health and identity, the "new genetics", the sociology of the body, and the formation of health capital throughout the life course. The topic is the concept of health, rather than the more usual emphasis on illness and health-care systems. Special emphasis is given to the lay perspective to show how people themselves think about and experience health. Blaxter guides students through all the relevant conceptual models of the relationship of health to the structure of society, from inequality in health to the ideas of the risk society, the ‘socio-biological translation’ and the contribution of health to social capital. The book concludes with a comprehensively revised and thought-provoking discussion of the impact of new technology, the boundaries between life and death, modern commodification of health, technological transformations of the body and theories of evolutionary biology. Health is an invaluable textbook for students of medicine and other health professions as well as those studying sociology, health sciences and health promotion.
What is a `healthy' lifestyle? Which is more significant: the social circumstances in which people live, or lifestyle habits such as exercise or smoking? Health and Lifestyles is the first description of a large and representative survey of the British population asking just those questions. It examines the findings, and considers issues such as measured fitness, declared health, psychological status, life circumstances, health-related behaviour, attitudes and beliefs. Providing firm evidence of the importance of social circumstances and patterns of health-related behaviour, Health and Lifestyles is an important contribution to current debate, revealing the levels of inequality in health in Britain today.
There is a large and rapidly growing body of literature on the importance of mag nesium in biochemical and physiological processes. There is also much evidence that magnesium deficiency, alone and in combination with agents that interfere with its utilization, is associated with functional and structural abnormalities of mem branes, cells, organs, and systems. The manifestations of the changes caused by magnesium deficiency depend upon its extent and duration and on variable factors. Among the conditions that increase the risk of magnesium deficiency are (1) meta bolic factors that affect the absorption, distribution, and excretion of this mineral; (2) disease and therapy; (3) physiologic states that increase requirements for nutrients; and (4) nutritional imbalances. Excesses of nutrients that interfere with the absorption or increase the excretion of magnesium-such as fat, phosphate, sugar, and vitamin D-can contribute to long-lasting relative magnesium deficiency. All have been implicated in several of the diseases considered in this book. Whether their influence on the need for magnesium is a common denominator remains to be investigated further.
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