题型:阅读理解 题类:常考题 难易度:普通
外研版(2019)高中英语必修一Unit 2同步练习
A recent study followed nearly 1,500 old people for 10 years. It found that those who had a large network of friends lived longer than those with fewer friends by more than 20%.This study isn't the only one that shows friendships can be good for our health.
Lots of research has shown social support and good health are connected. One recent study focuses on people with ovarian cancer. It says those with lots of social support had much lower levels of a protein connected to more dangerous cancers. This made their treatments (治疗) work better. In another study, women with breast cancer in a support group lived twice as long as those not in a support group. They also had much less pain.
Sheldon Cohen, a professor at Carnegie Mellon University in Pittsburgh, says strong social support helps people deal with stress. "There may be more benefits as well," Cohen says. "Friends encourage you to look after yourself better. And people with more friends have higher selfconfidence, so they feel they have more control over their lives."
Other studies show people with fewer friends are likely to die sooner after having a heart attack, compared with people having a strong social network. Having lots of friends may even lower your chance of catching a cold. "People with social support have fewer immune (免疫的) problems and lower levels of stress," says Tasha Howe, who works at Humboldt State University. "We are social animals, and we were born to be in groups," Howe says. "We have always needed others to survive better. It's in our genes." People with a big social group are likely to be more at peace, which leads to better health, Howe says.
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