A nutritional condition produced by a deficiency of VITAMIN B 12 in the diet, characterized by megaloblastic anemia. Since vitamin B 12 is not present in plants, humans have obtained their supply from animal products, from multivitamin supplements in the form of pills, and as additives to food preparations. A wide variety of neuropsychiatric abnormalities is also seen in vitamin b 12 deficiency and appears to be due to an undefined defect involving myelin synthesis. (From Cecil Textbook of medicine, 19th ed, p848)


Signs of <b>Vitamin B 12</b>

Signs of Vitamin B 12

<b>B12 Deficiency</b> Quiz Do You

B12 Deficiency Quiz Do You

<b>Vitamin B12 Deficiency</b> in

Vitamin B12 Deficiency in

<b>Vitamin B12 Deficiency</b>

Vitamin B12 Deficiency

of <b>vitamin B12 deficiency</b>

of vitamin B12 deficiency

How often does <b>B12 deficiency</b>

How often does B12 deficiency

<b>deficient</b> in <b>vitamin B12</b>.

deficient in vitamin B12.

<b>Vitamin B12 deficiencies</b> often

Vitamin B12 deficiencies often

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Last update: September 2014