Sample Sentences & Example Usage. 1  Rudyard Kipling: I kep six honest serving-men (They taught me all I knew) Their names are What and Why and When And How and Where and Who. 2  Debbie Fasano: It is pretty amazing that he has devoted his life to serving Christ, and doing it through serving people, itâs inspiring.
1 The most common childhood mental disorders are anxiety disorders, depression, and attention deficit hyperactivity disorder (ADHD).  Although less common, developmental disorders and psychotic disorders in children can have a lifelong impact on the child and his or her family.
The most common developmental disorder is mental retardation. According to the CDC, more than one out of every 100 school children in the United States has some form of mental retardation. Cerebral palsy is the second most common developmental disorder, followed by autism spectrum disorders.