Loneliness is like a disease, and what’s worse, it’s contagious. It can spread from one person to another, according to the recent research that stresses the power of one person’s emotions to affect even people they don’t know.

The new analysis, involving 4,793 people who were interviewed every two years between 2005 and 2015, showed that a friend of a lonely person was 52% more likely to develop feelings of loneliness by the time of the next interview. A friend of that person was 25% more likely, and a friend of a friend of a friend was 15% more likely.

''Loneliness is not just the property of an individual. It can be transmitted across people—even people you don’t have direct contact with,” said John T. Cacioppo, a psychologist of University of Chicago who led the study published in the December issue of the Journal of Personality and Social Psychology.

Loneliness has been linked to medical problems, including depression, sleep problems and generally poorer physical health. Identifying some of the causes could help reduce the emotion and improve health, experts said.

Although the study did not examine how loneliness spreads, Cacioppo said another research has provided clues. “Let’s say for whatever reason you get lonely. You then interact with other people in a more negative fashion. That puts them in a negative mood and makes them more likely to interact with other people in a negative fashion and they minimize their social ties and become lonely,” Cacioppo said.

According to Cacioppo, loneliness spread more easily among women than men, perhaps because women were more likely to express emotions.

Lonely people become less and less trusting others. This makes it more and more difficult for them to make friends—and more likely that society will reject them. Therefore, it is important to recognize and deal with loneliness. Cacioppo emphasizes people who have been pushed to the edges of society should receive help to repair their social networks.

1.It can be concluded from the first .paragraph that .

A. loneliness spreads in social networks

A. emotions are only transmitted between friends

B. more and more people are suffering from loneliness

C. loneliness is actually a kind of disease

2.According to Cacioppo, lonely people .

A. rely heavily on others

B. are more likely to trust others

C. are less likely to be rejected by friends

D. will probably be deserted by society

3.The word “ minimize” in Paragragh 5 is closest in meaning to .

A. increase B. reduce C. create D. keep

4.What should lonely people do to get rid of loneliness? '

A. Refuse the help given by others.

B. Admit and try to solve it.

C. Interact with others more negatively.

D. Express emotions more often.

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