Pernicious anemia (PA) is a rare autoimmune condition where your body can’t make enough healthy red blood cells because it lacks vitamin B12. PA affects people of all ages, but mostly those over 60.

Pernicious anemia is an autoimmune condition that leads to a lack of red blood cells. A deficiency in vitamin B-12 causes it. This article explains the symptoms of pernicious anemia, and how it ...

Vitiligo is an autoimmune condition that occurs when a person’s immune system mistakenly attacks pigment cells in their skin. This causes patches of pale or white skin. It may link to other ...

People with vitiligo may also have an increased risk of other autoimmune conditions, such as pernicious anemia, Addison's ...