Anemia is a therapeutic condition in which the red platelet cells or hemoglobin is not as much as ordinary. Anemia is brought on by either a lessening underway of red platelets or hemoglobin, or an increment in misfortune or devastation of red platelets. Anemia is the most widely recognized issue of the blood with it influencing around a quarter of individuals internationally. Iron-insufficiency sickliness influences about 1 billion. In 2013 paleness because of iron insufficiency brought about around 183,000 passings down from 213,000 passings in 1990. It is more normal in females than guys among youngsters, amid pregnancy and in the elderly. Anemia expands expenses of therapeutic care and brings down a man's efficiency through a diminished capacity to work. Anemia is the most common blood condition where blood lacks enough healthy red blood cells or hemoglobin to carry adequate oxygen to the tissues. Hemoglobin of the red blood cells binds oxygen. Anemic person make to feel the person exhausted due to abnormalities in the red blood cells or due to low hemoglobin the cells in the body will not get enough oxygen. Women prone to chronic diseases are at increased risk of anemia. Each with its own reason there are many types of anemia that includes Iron deficiency anemia, Thalassemia, Aplastic anemia, Hemolytic anemia, Sickle cell anemia, Pernicious anemia and Fanconi anemia. Diagnosis of the anemia can be by two major approaches: kinetic approach which evaluates production, destruction and loss of RBC as well morphologic approach is by red blood cell size. The top open access journals are peer reviewed scholarly journals of Hypertension: Open Access. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community.These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.