Caffeine intake and the risk of chronic obstructive pulmonary disease in Japanese adults

Background: To investigate the association between caffeine intake and the risk of developing chronic obstructive pulmonary disease (COPD) among Japanese older adults, a case–control study was conducted in central Japan. Methods: A total of 277 patients with COPD aged 50 to 75 years were referred by...

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Bibliographic Details
Main Authors: Hirayama, Fumi, Lee, Andy, Yasukawa, K., Ishihara, Y., Shinjo, M.
Format: Journal Article
Published: Mary Ann Liebert, Inc. Publishers 2012
Online Access:http://hdl.handle.net/20.500.11937/15932