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.
The Undiagnosed Teenager with Dyslexia. Often, very bright children are able to compensate for their dyslexia in the early school years, but cannot cope with the greater intellectual demands of secondary level schooling. Some common signs that your teenager may have dyslexia are: ... Related Learning Disabilities. Parents are often confused by different labels and diagnoses that have been suggested to be a the root of their child's learning or behavior difficulties. More than seventy learning disability categories appear to be either related to dyslexia,...