According to the CDC http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm Decreasing Iron in the blood (US CDC 2002) http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm Centers for Disease Control http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm ÙØµØ¯Ø± Iron Deficiency --- United States, 1999--2000 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm#tab1 12 percent http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm "Iron deficiency – United States, 1999–2000" http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm According to the CDC According to the CDC Iron deficiency−United States, 1999-2000 According to the CDC Centers for Disease Control & Prevention Iron Deficiency --- United States, 1999--2000 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5140a1.htm Iron deficiency - United States, 1999-2000