glare - a light within the field of vision that is brighter than the brightness to which the eyes are adapted; a glare of sunlight brilliance, blaze brightness - the location of a visual perception along a continuum from black to white
Pica: Introduction. Pica: A condition which is characterized by compulsive consumption of foods that contain little nutrition. See detailed information below for a list of 13 causes of Pica, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Pica: Causes | Symptom Checker Â».
Carcinoembryonic antigen (CEA) is a tumor marker that is measured using a blood test. High levels of CEA may indicate that cancer has spread; however, other medical conditions and some treatments, including certain types of chemotherapy, may raise CEA levels. Cancer antigen 19-9 (CA 19-9) is a tumor marker that is also measured using a blood test.