1. (Professions) a. a young foreigner, usually a girl, who undertakes housework in exchange for board and lodging, esp in order to learn the language. b. (as modifier): an au pair girl. 2. a young person who lives temporarily with a family abroad in exchange for a reciprocal arrangement with his or her own family.
Atherosclerotic Disease Heredity Mapped. Posted on June 17, 2013, 6 a.m. in Cardio-Vascular Genetics in Disease. People with a parent who has early atherosclerosis of the aorta have a significantly increased risk of developing the disease.
Aortic atherosclerosis is caused by hardened plaques of cholesterol and fat materials that form on the inside of the border of the aorta. These plaques literally cause the aorta to become hardened. When left untreated, it will result in blocked arteries which can restrict blood flow to the body.