Causes. 1  Asthma. 2  Pregnancy. 3  Deconditioning. 4  Hiatal hernia. 5  Pneumothorax. 6  Cardiac failure. 7  Pulmonary edema. 8  Sarcoidosis. 9  Interstitial lung diseases.
Mars Hill, North Carolina. Mars Hill is a town in Madison County, North Carolina, United States. The population was 1,869 at the 2010 U.S. Census. It is the home of Mars Hill University, the name of which was inspired by Acts 17:22. The town is located 15 miles (24 km) due north of Asheville, western North Carolina's largest city.
Chapel Hill is a town in Orange and Durham counties in the U.S. state of North Carolina. Its population was 57,233 in the 2010 census, making Chapel Hill the 15th-largest city in the state. Chapel Hill, Durham, and the state capital, Raleigh, make up the corners of the Research Triangle, with a total population of 1,998,808. The town was founded in 1793 and is centered on Franklin Street, covering 21.3 square miles. It contains several districts and buildings listed on the National Register of H