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Chronic obstructive pulmonary disease.
Abstract The global prevalence of physiologically defined chronic obstructive pulmonary disease (COPD) in adults aged >40 yr is approximately 9-10 per cent. Recently, the Indian Study on Epidemiology of Asthma, Respiratory Symptoms and Chronic Bronchitis in Adults had shown that the overall prevalence of chronic bronchitis in adults >35 yr is 3.49 per cent. The development of COPD is multifactorial and the risk factors of COPD include genetic and environmental factors. Pathological changes in COPD are observed in central airways, small airways and alveolar space. The proposed pathogenesis of COPD includes pr...
Source: The Indian Journal of Medical Research - February 1, 2013 Category: Biomedical Science Authors: Vijayan VK Tags: Indian J Med Res Source Type: research

Flu and freezing weather may be driving up winter death rates
Conclusion There are always more deaths in winter than other seasons, particularly among elderly people. But why these fairly dramatic spikes in the death rate have occurred is still not understood. It should be noted these figures are provisional, as there can be a delay in the ONS receiving the data. Although the media has focused on the likely cause being flu, the numbers provided are for all respiratory conditions. Cold weather can exacerbate many of these conditions, such as asthma and chronic obstructive pulmonary disease. For most fit and healthy people, flu is not a serious threat, but the elderly and those with...
Source: NHS News Feed - February 4, 2015 Category: Consumer Health News Tags: Heart/lungs Lifestyle/exercise Medical practice QA articles Source Type: news