She sent Sir Walter Raleigh to found a colony in America in 1584, which he named Virginia after the virgin Queen Elizabeth. Elizabeth was made aware of a plot against her which questionably implicated her captive Catholic cousin Mary-Queen of Scots.
Blood loss is the most common cause of anemia, especially iron-deficiency anemia. Blood loss can be short term or persist over time. Heavy menstrual periods or bleeding in the digestive or urinary tract can cause blood loss. Surgery, trauma, or cancer also can cause blood loss. If a lot of blood is lost, the body may lose enough red blood cells to cause anemia.
Blood Disorders Affecting Red Blood Cells. Blood disorders that affect red blood cells include: Anemia: People with anemia have a low number of red blood cells. Mild anemia often causes no symptoms.More severe anemia can cause fatigue, pale skin, and shortness of breath with exertion.lood disorders can affect any of the three main components of blood: 1  Red blood cells, which carry oxygen to the body's tissues. 2  White blood cells, which fight infections. 3  Platelets, which help blood to clot.