Decrease of hemoglobin or red blood cells (RBC) in the blood content is termed as anemia. Anemia results in weakness. Hemoglobin provides oxygen to the body tissues, if they are not healthy then it results in anemia. Some of the major types of anemias are like hemolytic anemia, thalassemia, etc. the causes of anemia are long term chronic diseases like cancer, ulcerative colitis, chronic kidney diseases, rheumatoid arthritis and other problems of bone marrow such as leukemia, multiple melanoma. Anemia journals covers the topics related to blood and its diseases.