Aetna Intelihealth
Aetna: Inteli Health: Vitamin B12 Deficiency
Thorough overview of vitamin B12 deficiency. Includes information on symptoms, treatment, prevention, and much more.
Aetna Intelihealth
Aetna: Inteli Health: Anemia and Fatigue
Briefly explains what anemia and fatigue are and how they are related. Also presents symptoms of anemia and the consequences of leaving it untreated.
Healthline Media
Medical News Today: Articles: Blood: What Is Anemia? What Causes Anemia?
Information about the most common disorder of the blood, anemia. Learn how anemia is detected, diagnosed, and treated.