| Dietary antioxidants and forced expiratory volume in 1 s decline: the Health, Aging and Body Composition study. | |
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MedLine Citation:
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PMID: 22005919 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Increased antioxidant defences are hypothesised to decrease age- and smoking-related decline in lung function. The relationship between dietary antioxidants, smoking and forced expiratory volume in 1 s (FEV(1)) was investigated in community-dwelling older adults in the Health, Aging and Body Composition study. 1,443 participants completed a food frequency questionnaire, self-reported smoking history and had measurements taken of FEV(1) at both baseline and after 4 yrs of follow-up. The association of dietary intake of nutrients and foods with antioxidant properties and rate of FEV(1) decline was investigated using hierarchical linear regression models. In continuing smokers (current smokers at both time-points), higher vitamin C intake and higher intake of fruit and vegetables were associated with an 18 and 24 mL · yr(-1) slower rate of FEV(1) decline compared with a lower intake (p < 0.0001 and p = 0.003, respectively). In quitters (a current smoker at study baseline who had quit during follow-up), higher intake was associated with an attenuated rate of decline for each nutrient studied (p ≤ 0.003 for all models). In nonsmoking participants, there was little or no association of diet and rate of decline in FEV(1). The intake of nutrients with antioxidant properties may modulate lung function decline in older adults exposed to cigarette smoke. |
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Authors:
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A R Bentley; S B Kritchevsky; T B Harris; P Holvoet; R L Jensen; A B Newman; J S Lee; S Yende; D Bauer; P A Cassano; |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, N.I.H., Intramural Date: 2011-10-17 |
Journal Detail:
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Title: The European respiratory journal Volume: 39 ISSN: 1399-3003 ISO Abbreviation: Eur. Respir. J. Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-04-02 Completed Date: 2012-08-07 Revised Date: 2013-05-23 |
Medline Journal Info:
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Nlm Unique ID: 8803460 Medline TA: Eur Respir J Country: Switzerland |
Other Details:
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Languages: eng Pagination: 979-84 Citation Subset: IM |
Affiliation:
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Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aging / physiology* Antioxidants / administration & dosage* Body Composition* Cohort Studies Female Follow-Up Studies Food Habits Forced Expiratory Volume* Humans Longitudinal Studies Lung Diseases / diagnosis, epidemiology*, metabolism Male Oxidants / administration & dosage Predictive Value of Tests Respiratory Function Tests Smoking / epidemiology*, metabolism |
| Grant Support | |
ID/Acronym/Agency:
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N01 AG062101/AG/NIA NIH HHS; N01 AG062106/AG/NIA NIH HHS; N01-AG-2103/AG/NIA NIH HHS; N01-AG-6-2101/AG/NIA NIH HHS; N01-AG-6-2106/AG/NIA NIH HHS; R01 HL071022/HL/NHLBI NIH HHS; R01 HL074104/HL/NHLBI NIH HHS; R01HL071022/HL/NHLBI NIH HHS; R01HL74104/HL/NHLBI NIH HHS; T32 DK007158/DK/NIDDK NIH HHS; T32 DK007158-31/DK/NIDDK NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Antioxidants; 0/Oxidants |
| Comments/Corrections | |
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