What is vitamin b12 deficiency

A cousin of mine recently called to inform me that he has been diagnosed with Vitamin B12 deficiency. Kindly let me know what this is all about and how to solve the problem

Tee Jay (by SMS)

 

Some of the symptoms of Vitamin B12 deficiency are; Fatigue, weakness, and lightheadedness. Other symptoms are; tingling and numbness of extremities, pins-and-needles sensation, constipation, loss of appetite, and even weight loss. Mood swings, depression, and memory problems could also add to the problems. It is therefore important for anyone with any of these symptoms to check their Vitamin B12 levels.

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