This point is made crystal clear even when we take a look back over the last few years. According to the National Sleep Foundation (NSF), a U.S. nonprofit organization of researchers, patients and health-care facilities, 20% of Americans reported getting six hours of sleep or less in 2009, compared to 13% in 2001.
An ulcer (/ËÊlsÉr/; from Latin ulcus, ulcer, sore) is a break in the skin or mucous membrane with loss of surface tissue and the disintegration and necrosis of epithelial tissue. A mucosal ulcer is an ulcer which specifically occurs on a mucous membrane.
Tuesday, April 8th 2014. | Disease. Peptic ulcer disease (PUD) refers to a group of ulcerative disorders of the upper gastrointestinal (GI) tract that require acid and pepsin for their formation. Ulcers differ from gastritis and erosions in that they extend deeper into the muscularis mucosa.