An orphan disease is defined as a condition that affects fewer than 200,000 people nationwide. This includes diseases as familiar as cystic fibrosis, Lou Gehrig's disease, and Tourette's syndrome, and as unfamiliar as Hamburger disease, Job syndrome, and acromegaly, or gigantism..
Mozart started composing at age 3. In psychology research literature, the term child prodigy is defined as person under the age of ten who produces meaningful output in some domain to the level of an adult expert performer. Child prodigies are rare, and in some domains there are no child prodigies at all.n psychology research literature, the term child prodigy is defined as person under the age of ten who produces meaningful output in some domain to the level of an adult expert performer.
For information on parenting and child development of preschool children (early childhood aged 3 to 7, please visit our Early Childhood Parenting and Child Development topic center. For information on parenting and child development of middle childhood children (ages 8 to 11), please visit our Middle Childhood Parenting and Development center. For information on parenting adolescents (ages 12-24), please visit our Child Development Theory: Adolescence topic center and Parenting and Child Development Theory: Adolescence topic center. When babies arrive in the world, they are tiny, helpless people who depend entirely on adults to take care of all their needs and wants.