Vegetarian diet found to weaken bones

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Vegetarian diet found to weaken bones

Postby minnie » Fri Jul 03, 2009 9:06 am

I found this timely and interesting... as someone I know vegetarian for years and vegan for a few has just been told she has osteoporosis.

Vegetarian diet found to weaken bones
Agence France-Presse July 02, 2009 09:06pm

PEOPLE who live on vegetarian diets have slightly weaker bones than their meat-eating counterparts, Australian researchers said.

A joint Australian-Vietnamese study of links between the bones and diet of more than 2700 people found that vegetarians had bones 5 per cent less dense than meat-eaters, said lead researcher Tuan Nguyen.

The issue was most pronounced in vegans, who excluded all animal products from their diet and whose bones were six percent weaker, Mr Nguyen said.

There was "practically no difference" between the bones of meat-eaters and ovolactovegetarians, who excluded meat and seafood but ate eggs and dairy products, he said.

"The results suggest that vegetarian diets, particularly vegan diets, are associated with lower bone mineral density," Mr Nguyen wrote in the study, published in the American Journal of Clinical Nutrition.

"But the magnitude of the association is clinically insignificant," he added.

Mr Nguyen, who is from Sydney's Garvan Institute for Medical Research and collaborated on the project with the Pham Ngoc Thach University of Medicine in Ho Chi Minh City, said the question of whether the lower density bones translated to increased fracture risk was yet to be answered.

"Given the rising number of vegetarians, roughly 5 per cent (of people) in western countries, and the widespread incidence of osteoporosis, the issue is worth resolving," he said.
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