1 The dance form of ballet was invented during the Italian Renaissance of the 15th and 16th centuries. 2  Some of the favorite foods of the nobles were large birds such as swans, peacocks, and herons. 3  Music and dancing was a popular form of entertainment and big part of Renaissance daily life.
CEA is a protein marker indicative of several types of cancers, especially colon cancer. The CEA normal levels are different for smokers and nonsmokers. Usually, for adult nonsmokers, the normal CEA levels range from 0 to 2.5 mcg/l.For adult smokers, the levels are slightly higher, and normal levels range from 0 to 5.0 mcg/l. This difference in normal values is because smokers usually produce more CEA than nonsmokers.he CEA test is performed to monitor the severity of cancer or tumors in the patients. The values obtained after the CEA test indicates the response of body to the therapy. So, CEA values are used as a marker mainly for colon cancer.
Carcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).It may also be present in people with cancer of the pancreas, breast, ovary, or lung.arcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).