What Are the Effects of Vitamin B12 Deficiency?

Q. What are the effects of vitamin B12 deficiency if left untreated? A. A deficiency of vitamin B12 can cause neurological and psychiatric problems that “can progress if left untreated, and can lead to irreversible damage,” said Dr. Donald Hensrud, director of the Mayo Clinic’s Healthy Living Program. Fortunately, it can be reversed fairly easily … Read more