Along with cellulose, one of the imperative constituents of natural cellulosic fibers is hemicellulose and is the second most abundant family of naturally occurring polymers (Thakur and Singha, 2013 and Thakur, 2013). Hemicelluloses are buildup of a combination of 5- and 6-ring carbon ring sugars (Fig. 2 b).
In addition to harm to the heart from heart disease or hypertension, medications and other elements can cause paroxysmal AFib, including: 1  binge drinking (4 to 5 beverages within 2 hours) 2  stimulant medications and drugs (ex. methylphenidate, pseudoephridrine, drug) 3  nicotine. 4  caffeine. 5  low potassium (electrolyte imbalance)
Bacterial infections such as pneumonia often cause pleurisy. It can also be caused by a virus such as the flu, or by a fungus. Some other things that can cause pleurisy to strike are: Lung cancer. A blood clot in the lung. Other types of cancer that affect the lungs or pleura.