[单项选择]A circle of close friends and strong family ties can increase a person’s health more than exercise, losing weight or quitting cigarettes and alcohol, psychologists say. Sociable (好交际的) people seem to reap extra rewards from their relationships by feeling less stressed, taking better care of themselves and having less risky lifestyles than those who are more isolated.
A review of studies into the impact of relationships on health found that people had a 50% better survival rate if they belonged to a wider social group, be it friends, neighbors, relatives or a mix of these. The striking impact of social connections on welfare has led researchers to call on GPs (社区全科医生) and health officials to take loneliness as seriously as other health risks, such as alcoholism (酗酒) and smoking.
"We take relationships for granted as humans," said Julianne Holt-Lunstad, a psychologist at Brigham Young University in Utah. "That constant interaction is not only beneficial psychologically but dire
A. The negative effects of social relationship on a person’s health.
B. The relationship between death rates and a person’s sociability.
C. The relationship between weight loss and smoking.
D. The negative effects of being fat on a person’s health.