(HealthDay News) -- Certain vitamin deficiencies may lead to decreased lung function in people with chronic obstructive pulmonary disorder (COPD), which includes emphysema and chronic bronchitis, says a new study.
For the study, 20 COPD patients (13 women, seven men) completed a questionnaire to assess their dietary intake of vitamins A, C, D, E and selenium, all of which contain cell-protecting antioxidants. A diet low in antioxidants -- as compared to national dietary intake requirements -- was common among the patients.
The percentages of deficiencies were: 25 percent (selenium), 45 percent (vitamin C), 90 percent (vitamin E), 55 percent (vitamin A), and 70 percent (vitamin D).
The researchers then measured the maximum amount of air the patients could exhale with force. All the patients with a selenium-deficient diet had decreased lung function. Among patients deficient in vitamins C, A, and D, only men had decreased lung function. Read more...
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