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Pulmonary Hyaline Disease of Infants *

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have less information about the health effects of marijuana. Few research studies have been done since marijuana remains illegal in most countries, and since marijuana can be inhaled in many ways (e.g. water pipes, joints etc). It is likely that in frequent users (and some less frequent users), marijuana harms the lungs, and that there is not a safe way to smoke marijuana. How can smoking marijuana damage my lungs? Tobacco smoke of any kind is a common cause of bronchitis (swelling of the airways/breathing tubes) and/or chronic obstructive pulmonary disease-COPD (see ATS Patient Series on COPD at series/index.php). Heavy marijuana smokers also are likely to develop lung damage because marijuana smoke contains many of the same harmful chemicals as tobacco smoke. We do not know if smoking a small amount of marijuana (for example, light users who smoke an amount equal to 1-2 joints a month) over a long period of time increases your risk for developing COPD. We do know that in some people (especially those with lung problems), smoking marijuana can make their breathing worse. Besides COPD, marijuana smoking can cause other problems in your lungs. Large air sacs in the lung, called bullae can develop. This often happens in younger marijuana smokers (less than 45 years old). We are not sure why certain marijuana smokers develop these bullae and others do not. Bullae can cause you to be short of breath (breathless) and if they rupture (“pop”), they can be life-threatening. Marijuana can also make many lung Marijuana, also known as cannabis (can-a-bis) is the most widely used illegal drug in the world. After tobacco, it is the second most commonly smoked substance. About 11 million people in the United States use marijuana. The harmful effects of tobacco smoke are well known, but we conditions such as asthma and cystic fibrosis worse. Marijuana use can cause an asthma attack, which can lead to hospitalizations a

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