Smoking Causes Bronchitis: Does Smoking Cause Bronchitis?
Bronchitis is an inflammation, or irritation of the air passages in the lungs. A study conducted co-workers and by Troisi, affirms that smoking causes asthma and chronic bronchitis. The fact that giving up smoking reduces the risk of development of chronic bronchitis is confirmed by Troisi and associates. The results from their study suggested that 5 years after quitting smoking, past smokers approached exactly the same degree of chronic bronchitis threat as that of never smokers.
The study - led by Cardiff University in the UK - reveals for the very first time the calcium-sensing receptor (CaSR) plays a vital part in causing the airway disorder. Daniela Riccardi, principal investigator and a professor in Cardiff's School of Biosciences, describes their findings as "incredibly exciting," because for the very first time they've linked airway inflammation - which may be triggered for example by cigarette smoke and car fumes - with airway twitchiness. She adds: "Our paper shows how these triggers release compounds that activate CaSR in airway tissue and drive asthma symptoms like airway twitchiness, inflammation, and narrowing.
Prof. Riccardi reasons: The researchers believe their findings about the function of CaSR in airway tissue could have significant implications for other respiratory ailments such as chronic obstructive pulmonary disease (COPD), chronic bronchitis. The researchers, from Washington University School of Medicine in St. Louis, believe their findings will lead to treatments for a variety of diseases including asthma, COPD, cystic fibrosis and even certain cancers.
Acute bronchitis is usually caused by viruses, normally exactly the same viruses that cause colds and flu (influenza). Antibiotics don't kill viruses, so this kind of medication isn't useful in most cases of bronchitis. The most common reason for chronic bronchitis is smoking cigs.
COPD Causes and Risk Factors
When you breathe in cigarette smoke, the chemicals irritate and activate specific white blood cells (macrophages) and cells which make up the lining of the airways (epithelial cells). There are numerous methods to stop smoking, including: Other reasons for COPD include: In rare instances, emphysema may also be due to an inherited disorder called alpha-1 antitrypsin (A1AT) deficiency, in which a normally beneficial enzyme called neutrophil elastase damages alveoli tissue. For instance, while smoking is the largest cause of COPD, only about 20 percent of smokers develop COPD, suggesting that genetic factors may make some individuals more susceptible to the chemicals of cig smoke (and possibly other inhaled irritants), according to a 2014 report in the journal PLoS ONE. The study found that, compared with nonsmokers, certain airway cells in smokers abnormally exhibit numerous genes, including four genes (NFKBIB, LTBP4, EGLN2, and TGFB1) that have now been previously linked to COPD.
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How Does Smoking Cause Bronchitis?
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Bronchitis is an inflammation of the bronchial tubes, the airways that carry air. There are two primary types of bronchitis: acute and long-term. Chronic bronchitis is one type of COPD (chronic obstructive pulmonary disease). The inflamed bronchial tubes generate lots of mucus. Your doctor can look at your signs and symptoms and listen to your breathing, to diagnose chronic bronchitis. Chronic bronchitis is a long term state that keeps coming back or never goes away completely.
Marijuana Smoking Not Linked to Chronic Breathing Problems
Year-Long Study Finds No Decrease in Lung Function for Occasional Marijuana Smokers Jan. 10, 2012 - Woodstock generation, breathe easy. Among the longest and biggest studies ever to look at the effect of cannabis smoking on lung health finds that weed smoking does not appear to cause continual breathing trouble. As more states legalize dope - the District of Columbia and 16 states let its medical use - experts have worried that weed smoking could also brings on the sorts of lung damage from cigarettes. Really, cigarette smokers in the study saw their lung function drop considerably over 20 years. In fact, the study found that the lung function of most marijuana smokers really improved marginally over time.