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Thin Men More Vulnerable to Osteoporosis, Bone Fractures Than Other Older Men OSLO, Norway -- September 18, 2008 -- Men who have low weight in middle age and who reduce their weight, increase the chance of osteoporosis and fracture, according to a study published in a recent issue of the American Journal of Epidemiology. Low weight among middle-aged men was related to the risk of osteoporosis 3 decades later, and this risk was significantly affected by weight changes. Weight increase reduced the risk, whereas weight loss increased the risk, said lead author Haakon E. Meyer, Norwegian Institute of Public Health, University of Oslo, Oslo, Norway. For the study 1,476 men who participated in the Oslo survey from 1972 to 1973 and the Tromsø survey from 1974 to 1975 were again studied for, among other things, osteoporosis in the Health Studies in Oslo 2000 to 2001 and Tromsø 2001. This survey showed that low weight among middle-aged men and subsequent weight loss led to increased risk of osteoporosis when the men become older. Almost a third had osteoporosis among the thinnest quarter of men in the 1970s and who later lost weight. In contrast, of the quarter that had the highest weight in the 1970s and had not changed their weight, none of the men had osteoporosis. Although weight increase and a high weight are beneficial for the skeleton, a stable, healthy weight is still recommended according, to Dr. Meyer. With respect to weight loss, however, the impact on osteoporosis and fracture should be taken into account and, if possible, prevented, he says. SOURCE: Norwegian Institute of Public Health E-mail this page to a friend or colleague! To print, use this version