Autoimmune hemolytic anemia is the primary type, in which antibodies produced by the immune system damage RBCs. Cause unknown or associated with disorders such as systemic lupus erythematosus, lymphoma, and paroxysmal nocturnal hemoglobinuria. Other causes are high exposure to certain metals or chemicals (lead, copper, benzene, naphthalene), snake and insect bites, malaria, transfusions, post-surgical complications, and drugs such as methyldopa. In infants, blood group incompatibility between mother and child or infections in the womb.
Since 1987, the flow of debt repayments from Third World countries to rich countries has exceeded the flow of aid money going to Third World countries (RIC). Poor countries feel compelled to exploit their natural resources, including their forests, partly to earn foreign exchange for servicing their debts. Non-government organisations in Third World countries have for many years been pointing out that there is no chance of stopping impoverishment and destruction of nature without a solution to the debt crisis.