By John F. Aloia (auth.), Harold H. Draper (eds.)
Nutrition and Osteoporosis: Seeing via a tumbler, Darkly (1 Cor. 13:12) This quantity of Advances in dietary learn bargains with the current kingdom of data relative to the position of foodstuff within the etiology of osteoporosis, some of the most critical degenerative illnesses within the getting older inhabitants. As a again drop for next chapters on particular nutrition, bankruptcy 1 presents a com prehensive account of the achieve and lack of bone through the lifestyles cycle, with emphasis at the architectural adjustments in later lifestyles that predispose to osteoporotic bone fractures. bankruptcy 2 files the prevalence of getting older bone loss via out human archeological heritage and bankruptcy three extends this documentation to all non-human vertebrate species thus far tested, together with primates residing within the wild. it's obvious revolutionary lack of bone tissue is a standard accompaniment of getting older between larger vertebrates. if it is a explanation for bone fractures in animals, because it is in people, continues to be unknown. It has additionally been verified that there are major alterations within the frequency of osteoporotic fractures between human households, ethnic teams, nationwide populations and nutrition cultures. quite a few stories were conducted to be able to clarify those adjustments, and plenty of of those take care of the potential influence of nutrients. Protracted controversies over the position of meals within the etiology of osteoporosis are mirrored within the contents of a number of of the consequent chapters.
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35:715. , 1987, Effects of age and menopause on vertebral bone density, Bone and Mineral 2:141. , 1969, The relationship of dietary calcium intake to radiographic bone density in normal and osteoporotic persons, Calcif. Tissue Res. 4:245. , 1975, "Prospective and cross-sectional study of radial bone loss in post-menopausal women," in: Calcified Tissues, Proceedings of Xlth European Symposium on Calcified Tissues (S. ), SpringerVerlag, New York. , 1979, "Age-related bone loss," in: Osteoporosis 11.
1989) found peak bone density in the spine and femur occurred at the end of linear skeletal growth. , 1991 ). Figure 5. Bone mineral density of the lumbar spine and femur in boys and girls age 1-18. Reproduced from Bonjour eta/. (1991) with permission. 2 LU. • i a. 11 +t 1 a. , a. 0 II 10 11 12 13 14 AGE (~eara) 17 18 John F. Aloia 60 50 +I a30 20 10~~--~--~~--~--~~--~~ 8 10 11 12 13 15 14 16 17 18 AGE (YIIfl) 60 50 40 +I a30 20 10 ~~--~--~~--~--~~--~~ 8 10 11 12 13 14 15 16 17 18 AGE (YIIfl) Figure 6.
This is one reason why hormonal replacement therapy (or an alternative) is critical in the prevention of osteoporosis in women who are already on the low side of "average" in bone mass at menopause. 9. , 1990). Thus, when curve-fitting data for bone loss in cross-sectional studies in postmenopausal women, an exponential form (showing a reduction of bone loss with increasing age) usually fits best. This was found for the radius and the lumbar spine using computed tomography or dual energy 22 John F.