Lecture 6 Study Guide Outline:
I. Body Growth In Middle Childhood
A. Slow, regular pattern
1. Girls are shorter & lighter until ~9 years old
B. Lower body grows the fastest
1. Bones lengthen
2. Flexible muscles
C. All permanent teeth arrive
D. Growth Spurts
1. Girls reach puberty first ~11 years old, done by ~14 years old
2. Boys reach puberty ~13 years old and have a larger spurt, done by
~17 years old
II. The Importance of Sleep
A. Body growth
1. Growth hormone is released during sleep
B. Contributes to cognitive performance
1. Low SES children had poorer performance because of higher
likelihood of less sleep
C. Poor sleep affects parents’ functioning and sleep patterns
III. Preventing Malnutrition
A. Improve water supply, sanitation, and hygiene
B. Health education for a healthy diet
C. Improve access to healthy foods to the poor
1. Eating healthy is ironically more expensive
D. Ensure industrial agriculture does not = increased malnutrition
IV. Obesity Rates in the U.S.
A. 32% children overweight
1. 17% are obese
B. Dramatic increase in overweight & obese in Western nations
C. Obesity rates in developing nations also rising
