Introduction Vitamins are chemical compounds which are components of coenzymes and non-protein ingredients of enzymes. They are essential for life and normal functioning of the body. Vitamins are supplied with food as they cannot be synthesised by the body [1]. Bad diet, impaired vitamin absorption or the use of substances such as caffeine, nicotine and medicines may lead to hypovitaminosis, th...

s and Presentations: Abdel-Rahman F., Whaley S., Youngberg G., Stone W., Krishnan K., Prostaglandin E Synthase is over-expressed by immunohistochemistry in neoplastic and pre-neoplastic colonic disorders. Poster presentation, 2002 National Medical Oncology Fellows’ Forum, Wigwam Resort, Litchfield Field Park, Arizona, February 28-March 3, 2002.