Background: Chronic Obstructive Pulmonary Disease (COPD) is of public health importance. Indoor biomass (wood, cowdung etc) smoke exposure from cooking is associated with respiratory conditions and may predispose to COPD. The objective of this study was to evaluate the risk of biomass smoke exposure and COPD.Methods: A cross sectional study was conducted at a rural setting of Bangladesh. Rural women over 40 years and exposed to biomass fuel, liquid petroleum gas or natural gas smoke were evaluated using a questionnaire and their lung function was assessed using a portable spirometry.Results: The overall prevalence of COPD in the rural women was 20.4%. It was significantly higher in women using biomass fuel for cooking than in those using natural gas/LPG (p<0.001). Biomass smoke exposure was found significantly associated with COPD (OR= 3.385, CI=1.60-7.13, p<0.05). Lung function was significantly reduced (p<0.05) among women who were using biomass than those using natural gas/LPG.Conclusion: Biomass fuel smoke exposure is a risk factor for development of COPD.Chatt  Shi Hosp Med Coll J; Vol.15 (1); Jan 2016; Page 8-11

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Introduction: Temporomandibular joint ankylosis is a gradually developing condition manifested by mandibular hypomobility. Limitation of mouth opening can be caused by bony or fibrous ankylosis of the temporomandibular joint as sequel to trauma, infection, and autoimmune diseases. The purpose of this study was to determine the frequency of temporomandibular joint ankylosis in various age groups and to see the etiology of temporomandibular joint ankylosis. Females predominate with 35 (58.30%). Age ranged from 4 to 36 years and 11-20 years (60%) group predominating. In unilateral cases, left side involvement was more common in both males and females. TMJ ankylosis was post traumatic in 47(78.3%) cases followed by infection 7(11.7%) while birth trauma 2(3.3%) was rare. RTA was seen to the most frequent etiological factor followed by the fall. Conclusions: Temporomandibular joint ankylosis is a preventive entity if posttraumatic rehabilitation is instituted early and properly.