Vitiligo is a condition in which you lose the pigment of your skin. Pigment, or melanin, causes skin color and is produced by cells called “melanocytes.” Most people with vitiligo lose pigment in patches of normally pigmented skin, which is replaced by… Read more
See a list of possible causes in order from the most common to the least.
Hashimoto’s disease is a condition that damages the thyroid’s ability to function properly. It can cause a goiter, or enlarged thyroid, which can make the front of the neck look swollen.
Addison’s disease occurs when the adrenal cortex is damaged and the adrenal glands do not produce enough of the steroid hormones cortisol and aldosterone.
Pernicious anemia occurs when your body can’t absorb enough vitamin B-12 to function properly. Learn about the signs and symptoms of pernicious anemia.
The thyroid gland produces a hormone that controls how your cells use energy. Hyperthyroidism occurs when the body produces excessive amounts.
Alopecia areata is an autoimmune disease that causes hair to fall out in round patches. Learn about its symptoms, causes, and treatment.
Albinism is a rare group of genetic disorders that cause the skin, hair, or eyes to have little or no color. Albinism is also associated with vision problems.