![]() ![]() ![]() The Mongolians in one county, for example, consume a nomadic diet of high meat and dairy protein with few vegetables and fruits the Sichuan diet, on the other hand, is primarily vegetarian with only shavings of meat used for flavorings. ![]() Osteoporosis is a potentially disabling disease of later life in which the bones deteriorate and easily fracture the disease affects 25 million Americans, 80 percent of whom are women.Ĭampbell, with Banoo Parpia, Cornell senior research associate on the China project, Ji-Fan Hu, a former graduate student at Cornell, and other Chinese collaborators analyzed the role of dietary calcium in bone density by following closely the diets of 800 women from five counties that have very different diets in China. Hip fractures in the United States, for example, are approximately five times more frequent than in China. "This phenomenon could explain why Americans, who ingest much higher levels of calcium, have much higher rates of osteoporosis and hip fractures compared with many Chinese and other Asians who consume few dairy products and ingest low amounts of calcium," Campbell said. That's because animal protein, including that from dairy products, may leach more calcium from the bones than is ingested, said Campbell, professor of nutritional biochemistry at Cornell and director of the Cornell-China-Oxford Project, the most comprehensive project on diet and disease ever conducted. If dairy products are consumed in a diet high in animal protein, any potential benefit for increased bone density would be undermined. Whether dairy products offer protection from osteoporosis, however, is still undetermined, according to the researchers. Osteoporosis is a condition, usually associated with aging, in which bone density decreases, making people susceptible to breaks and fractures. Colin Campbell and his colleagues, conclude that reducing meat intake reduces the risk of losing bone density. In fact, they say, reducing the amount of meat in the diet may do more to reduce the risk of osteoporosis than increasing calcium intake.Ī series of studies from the Cornell-China-Oxford Project on Nutrition, Health and Environment, by nutritional biochemist T. Want to reduce the risk of osteoporosis? Eat less meat, Cornell researchers say. ![]()
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