Wendyslowcaloriefoodfinds - Symptoms of Vitamin B12 Deficiency Weakness, tiredness, or lightheadedness. Heart palpitations and shortness of breath. Pale skin. A smooth tongue. Constipation, diarrhea, loss of appetite, or gas. Nerve problems like
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RACGP - Low levels of vitamin B12 can persist in the early resettlement of refugees: symptoms, screening and monitoring
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