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4 alarming symptoms of vitamin B12 deficiency you can’t ignore!

4 Alarming Symptoms of Vitamin B12 Deficiency You Shouldn’t IgnoreVitamin B12 deficiency can develop gradually, and importantly, you can have B12 deficiency even without anemia. Some symptoms are caused by effects on the nervous system and can become permanent if the deficiency remains untreated. 1. Numbness, tingling, or “pins and needles” Persistent tingling or numbness—especially …