Carotid. Carotid stenosis is a narrowing of the carotid. arteries, the two major arteries that carry oxygen. carotid artery disease, carotid stenosis is caused by. reduces blood flow to the brain.
For other people named Arthur Duncan, see Arthur Duncan (disambiguation). Arthur Duncan (born September 25, 1933 in Pasadena, California) is a tap dancer, known for his stint as a performer on The Lawrence Welk Show from 1964 to 1982, which made him the first African-American regular on a variety television program.
After having begun his career with several bit parts playing bouncers in films such as Bulworth and A Night at the Roxbury, Duncan first came to prominence when he was cast as Bear in the blockbuster Michael Bay action film Armageddon (1998).n 2005, Duncan appeared in two prominent action films, The Island (his second Michael Bay Film) and Sin City (again alongside Bruce Willis) where he played Manute, a powerful mobster.