CHAPTER 5: Social Networks & Health
Chapter 5 Preview:
The concepts related to determinants of health and disease discussed above are further reinforced by recent studies on social networks and their impact on disease and behavior. Two examples are related to obesity and smoking. In one study, researchers examined whether weight gain in one person was associated with weight gain in his or her friends, siblings, spouse, and neighbors. They found that a person’s chances of becoming obese increased by 57% if he or she had a friend who became obese, 40% if one sibling became obese, and 37% if a spouse became obese.
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