TY - GEN AU - Robb-Nicholson,Celeste TI - Ask the doctor. I recently developed a craving to chew on several ice cubes a day. What causes this? Is it unhealthy? SN - 1070-910X PY - 2011///0524 KW - Anemia, Iron-Deficiency KW - complications KW - Food Preferences KW - Health Knowledge, Attitudes, Practice KW - Health Status KW - Humans KW - Ice KW - Pica KW - etiology N1 - Publication Type: Journal Article ER -