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.
Developmental dyslexia, also known simply as dyslexia, is a common reading disorder. Often diagnosed in children, developmental dyslexia is characterized by the brainâs inability to properly process symbols and letters, making reading difficult. There is no known cure for dyslexia.