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 doesnât just affect reading and writing. Here are some everyday skills and activities your child may be struggling with because of this learning issue: 1  Social skills: There are several ways dyslexia can affect your childâs social life.2  Struggling in school can make your child feel inferior around other kids.ere are some of the possible causes of dyslexia: 1  Genes and heredity: Dyslexia often runs in families. 2  Brain anatomy: Having dyslexia doesnât mean your child isnât bright. 3  Brain activity: To be able to read, our brains have to translate the symbols we see on the page into sounds.