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[Osteoporosis associated with chronic obstructive pulmonary disease and other respiratory diseases].

Chronic obstructive pulmonary disease (COPD) and osteoporosis are associated because of common risk factors. In addition, COPD enhance systemic inflammation, vitamin D deficiency, and above all the use of systemic steroids induce bone destruction. Early prevention and treatment of osteoporosis is useful in COPD and in other chronic lung diseases.