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.
Richmond Hill, GA is a thriving community along Georgia's colonial coast, and is among the fastest growing communities in the nation. Located in South Bryan County, 20 miles from Savannah, Richmond Hill continues to grow as an alternative to the increasing congestion and taxes in Savannah/Chatham County.