骨骼在不断地进行再塑形，骨自身更新时骨骼的矿物质密度下降导致骨质疏松。

Bone is continually remodeled, and osteoporosis results from a reduction in bone mineral density as the bone renews itself.

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与低骨矿物质密度导致的骨质疏松症或骨质缺乏不同，骨软化症妨碍新骨形成。

Unlike osteoporosis or osteopenia, which result from low bone mineral density, osteomalacia interferes with new bone formation.

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研究发现，女烟民每吸烟10年，骨矿物质密度就会降低2.3%―3.3%，骨质密度下降会导致骨折和骨质疏松症发病率大增。

Study found that female smokers smoke every 10 years, bone mineral density is reduced by 2.3%-3.3% fall in bone density leading to fractures and osteoporosis incidence rate rose significantly.

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研究发现，女烟民每吸烟10年，骨矿物质密度就会降低2.3%―3.3%，骨质密度下降会导致骨折和骨质疏松症发病率大增。

Study found that female smokers smoke every 10 years, bone mineral density is reduced by 2.3%-3.3% fall in bone density leading to fractures and osteoporosis incidence rate rose significantly.

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