Question:

How rare is A negative blood type?

Answer:

Type A negative is rare. Almost 40% of the population has O+ blood. AnswerParty on!

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Hematology

Transfusion medicine (or transfusiology) is the branch of medicine that is concerned with the transfusion of blood and blood components. The blood bank is the section of the clinical laboratory where medical technologists process and distribute blood products under the supervision of a medical director, often certified in Pathology or Transfusion Medicine. The blood donor center, also under the supervision of a physician who may be a Transfusion Medicine specialist, is the facility that collects and processes blood products. Transfusion medicine is a board-certified specialty recognized by the American Board of Pathology.]citation needed[ Physicians from a wide range of backgrounds, including pathology, hematology, anesthesiology and pediatrics, are eligible for board certification in Transfusion Medicine following a 1-2 year fellowship.

Physicians certified in Transfusion Medicine are trained in blood product selection and management, immunohematology, apheresis, stem cell collection, cellular therapy, and coagulation. They are often considered a consultant for physicians who require expertise advice on the subjects listed above.

Blood

A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system. Some of these antigens are also present on the surface of other types of cells of various tissues. Several of these red blood cell surface antigens can stem from one allele (or very closely linked genes) and collectively form a blood group system. Blood types are inherited and represent contributions from both parents. A total of 32 human blood group systems are now recognized by the International Society of Blood Transfusion (ISBT). The two most important ones are ABO and the RhD antigen; they determine someone's blood type (A, B, AB and O, with + and - denoting RhD status).

Many pregnant women carry a fetus with a blood type different from their own, and the mother can form antibodies against fetal RBCs. Sometimes these maternal antibodies are IgG, a small immunoglobulin, which can cross the placenta and cause hemolysis of fetal RBCs, which in turn can lead to hemolytic disease of the newborn called erythroblastosis fetalis, an illness of low fetal blood counts that ranges from mild to severe. Sometimes this is lethal for the fetus; in these cases it is called hydrops fetalis.

The blood type diet is a nutritional diet advocated by Peter J. D'Adamo, outlined in his book Eat Right 4 Your Type. D'Adamo claims that ABO blood type is the most important factor in determining a healthy diet and recommends distinct diets for each blood type.

Throughout his books, D'Adamo cites the works of biochemists and glycobiologists who have researched blood groups, claiming or implying that their research supports this theory. The consensus among dietitians, physicians, and scientists is that the theory is unsupported by scientific evidence.

h/h, also known as Oh or the Bombay Blood group, is a rare blood type. This blood phenotype was first discovered in Bombay, now known as Mumbai, in India, by Dr. Y. M. Bhende in 1952.

Anatomy Medicine Biology Health Medical Pharma

A social issue (also called a social problem or a social situation) is an issue that relates to society's perception of a person's personal lives. Different cultures have different perceptions and what may be "normal" behavior in one society may be a significant social issue in another society. Social issues are distinguished from economic issues. Some issues have both social and economic aspects, such as immigration. There are also issues that don't fall into either category, such as wars.

Thomas Paine, in Rights of Man and Common Sense, addresses man's duty to "allow the same rights to others as we allow ourselves". The failure to do so causes the birth of a social issue.

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