Nutrition is a topic of wide interest and importance. In spite of growing understanding of the underlying biochemistry, and health campaigns such as 'five-a-day', increasing obesity and reported food allergies and eating disorders, as well as the widely advertised 'supposed' benefits of food supplements mean that a clear explanation of the basic principles of a healthy diet are vital. In this Very Short Introduction, David Bender explains the basic elements of food, the balance between energy intake and exercise, the problems of over- and under-nutrition, and raises the question of safety of nutritional supplements.
The proportion of the population over 65 years of age is increasing steadily in most industrialized countries. In the United States the proportion of elderly people has risen from four percent in 1900 to 11 % in 1978, and is projected to be 14% by the year 2000. The occurrence of debilitating chronic diseases in the elderly increases with each additional year. These diseases, along with the natural loss of tissue function that occurs throughout adult life, impose a heavy burden on the health care system. Nutri- tion plays an important etiologic role in many of these degenerative changes. Conse- quently, the aging segment of the population presents a challenge to the nutrition scientist, who should be able to recommend optimal intakes of nutrients to minimize the functional losses associated with aging and to optimize the health of those already elderly. This sixth volume in the series Human Nutrition: A Comprehensive Treatise provides a conspectus of the various interactions of nutrition with the aging process and a comprehensive survey of current knowledge of the amounts of individual nutrients needed by the elderly. The volume begins with a general survey of the multifaceted relationship of nutrition to aging, followed by four chapters on how nutrition can affect age-related changes in selected body functions. The next six chapters cover the avail- able evidence regarding the needs of the elderly for dietary energy, protein, calcium, trace elements, vitamins, and fiber.
The 2nd edition of Visualizing Nutrition, expands upon the 1st introductory issue and continues to provide valuable information on central issues of nutritional science in a visual approach. The text includes critical topics of nutrition, to help readers understand the topics through demonstration of their relevance to their personal life. The material provides decision-making skills needed to navigate the myriad of choices readers face in promoting good health and preventing disease.
Visualizing Nutrition's critical thinking approach and a solid underpinning of the process of science empowers readers to be knowledgeable consumers when faced with diverse information about emerging diseases such a SARS, biotech foods and gene therapy. As they apply the thought processes and decision-making skills learned throughout the course, they come to understand that there are not "good" foods and "bad" foods, but rather that each choice is only part of an overall healthy diet and that it is the sum of those choices that determines good nutrition. The premier art program, interactive components, and applicable content, make this a sure winner in sharing ones passion for Nutrition.
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