Do vegans have lower bone density and more fractures?

This video and the next explore whether there's the difference in bone density between

those who eat meat and those who don't.

Osteoporosis has become a major public health problem worldwide.

The morbidity and even mortality of osteoproduct complications such as hip fractures are severe.

Osteoprocess is diagnosed by testing low in bone mineral density and afflicts about one in

twenty men over age 65 and one in four women.

Do we need to be concerned about bone mineral density and vegetarians and vegans?

There are studies showing vegetarian-style diets during adolescence can have a positive impact on bone and young adulthood,

but what we really want to know is about osteoporosis

at older ages. In an earlier video, I talked about a meta-analysis that concluded that

vegetarian diets, particularly vegan diets, were associated with lower bone mineral density,

but only by a clinically insignificant amount. Given the relationship between fracture risk and

bone mineral density, the relative risk of fracture in vegans would only be about 10% higher

than in meat eaters, but that doesn't sound very insignificant to me. Now, I talked about how

the differences in bone mineral density are largely just a function of vegetarian, and

particularly vegans having such low rates of obesity.

Obesite individuals are protected from osteoporosis because they do so much weight-bearing

exercise, just walking from one room to the next, basically.

But we only care about bone mineral density because we care about bone fractures.

What's the comparative fracture risk in vegetarians versus non-vegetarians?

Now we're talking.

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