A vitamin B12 deficiency, whether because you're not getting enough B12 or aren't absorbing it well, can cause symptoms like fatigue, difficulty walking, weakness, and confusion. Find out if you may ...

H.B., a 72-year-old man, who had been a vegetarian since 1914, reported that he drank milk regularly and took an egg occasionally. In 1947 pernicious anemia was diagnosed at another hospital. He ...

Dear Dr. Roach: I have had pernicious anemia for about eight years and must have an injection of vitamin B-12 every three weeks to stay alive. I am also a diabetic for over 10 years, with my A1C ...

If you’re getting your eight hours every night but struggle to keep your eyes open during the day, constantly have the shakes and suffer bouts of unexplained anxiety, you’re probably not getting ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

Vitamin B12 is needed to produce an adequate amount of healthy red blood cells in the bone marrow. Vitamin B12 is available only in animal foods (meat and dairy products) or yeast extracts (such as ...