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2017届高考英语二轮专题训练：阅读理解（31） A [1]Compared to people with bad attitudes，people are less likely to suffer from colds．It’s possible that being positive helps the body fight il1nesses. [2]In a previous study，people who tended to be cheerful and lively were least likely to develop coughs and other cold symptoms．People who showed positive feelings were also less likely to mention symptoms to their doctors，even when medical tests detected those symptoms． [3]Those findings were interesting，but they didn’t prove that a person’s attitude affects whether he or she gets sick．Instead，it was still possible that a person’s underlying personality is what matters． [4]Evidence suggests，for instance，that certain people are naturally more likely to be outgoing and optimistic，with high self-esteem and a sense of control over life．This would mean that who we are，not how we feel，ultimately decides our chances of catching colds. [5]To figure out which mattered more，personality or emotions，the researchers interviewed 193 healthy adults．The results showed that everyone in the study was equally likely to get infected．Their symptoms，however，differed depending on the types of emotions that they had reported over the previous fortnight． | 
