Common reasons include heavy menstrual bleeding, gastrointestinal blood loss, growth phases in children and adolescents, ...

Ferritin is a protein that’s produced in the body’s cells, and largely concentrated in the liver and immune system cells. Ferritin stores and releases iron, which is essential for producing red blood ...

Normal ferritin levels range from 15-150 ng/mL for females and 15-200 ng/mL for males. High ferritin levels can indicate an ...

Iron deficiency is the most common micronutrient deficiency worldwide, yet its symptoms are often mistaken for everyday tiredness. Understanding how to test, interpret, and treat low iron can make a ...

A 47-year-old black man has had elevated ferritin levels ranging from 500-800 ng/mL for the past two years. Physical examination shows nothing out of the ordinary. His rheumatoid profile is negative.

A person with anemia of chronic disease has decreased red blood cells despite having “normal” or increased iron stores in their body. It can occur in people with underlying inflammatory conditions, ...