Answer:
Child Growth and Development examines the physical, cognitive, social, and emotional growth of young children from prenatal development through middle childhood. It reviews prominent theories of development and topics such as health, nutrition, play and the family, while adolescence is the period of transition between childhood and adulthood. Children who are entering adolescence are going through many changes (physical, intellectual, personality and social developmental). Adolescence begins at puberty, which now occurs earlier, on average, than in the past, and adulthood is the period in the human lifespan in which full physical and intellectual maturity have been attained. Adulthood is commonly thought of as beginning at age 20 or 21 years. Middle age, commencing at about 40 years, is followed by old age at about 60 years.
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