Write an article on Overview of Thalassemia.
Define the below terms :
1. What is thalassemia
2. Types of thalassemia
3. Cause of Alpha thalassemia
4. Cause of Beta thalassemia
5. What are Thalassemia major and Thalassemia minor
6. Prevalence of thalassemia in the world
7. What are the symptoms of thalassemia
8. Diagnosis of Thalassemia
9. Can thalassemia be prevented