The ABO system consists of A, B, AB, and O blood types. People with type A have antibodies in the blood against type B. People with type B have antibodies in the blood against type A. People with AB have no anti-A or anti-B antibodies.
Developmental dyslexia, or specific reading disability, is a disorder in which children with normal intelligence and sensory abilities show learning deficits for reading.
Dyslexia, also known as reading disorder, is a learning disability characterized by trouble with reading despite normal intelligence.Different people are affected to varying degrees.hile dyslexia is more often diagnosed in men, it has been suggested that it affects men and women equally. Dyslexia occurs in all areas of the world. Some believe that dyslexia should be best considered as a different way of learning, with both benefits and downsides.