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Symptoms of vitamin B-12 deficiency include numbness and joint pain, according to Harvard Medical School. Folic acid deficiency can lead to gray hair, fatigue and birth defects, according to MedlinePlus. More »

www.reference.com Health Conditions & Diseases

The causes of folic acid deficiency include diseases that affect the absorption of folic acid during digestion, excessive alcohol intake, hemolytic anemia and a diet that is low in fruits and vegetables, according to Med... More »

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Common symptoms of vitamin B12 and folic acid deficiency include feeling lightheaded or weak, a loss of appetite, behavioral changes and concentration problems, explains WebMD. Those with a vitamin B12 deficiency can als... More »

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An untreated vitamin B-12 deficiency carries the risk of serious or permanent nerve damage, resulting in symptoms such as memory loss or numbness and tingling in hands and feet, Drugs.com explains. Other symptoms of nerv... More »

www.reference.com Health Conditions & Diseases

Symptoms of untreated vitamin B-12 deficiency may include weakness, lightheadedness, tiredness, stomach upset, diarrhea and constipation. Additional symptoms may include easy bruising or bleeding, weight loss, pale skin,... More »

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Symptoms of vitamin B-12 deficiency include weakness, lightheadedness, pallor, digestive problems and shortness of breath, states WebMD. A health care professional can determine whether or not vitamin B-12 deficiency is ... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits

Common causes of vitamin B-12 deficiency include atrophic gastritis, pernicious anemia and surgery on the stomach or intestines, according to WebMD. Other causes of vitamin B-12 deficiency include Crohn's disease, heavy ... More »

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