美国研究人员有充分的科学证据表明友谊能够延长人的生命。美国加利福尼亚大学洛杉矶分校的心理学家谢利·泰勒说:“社会关系是我们所能得到的最便宜的、也是最好的良药。”100多项的研究成果表明:友谊对人的身心健康有益。拥有良好的社会关系网的人通常能够:○大大提高他们战 American researchers have sufficient scientific evidence that friendship can extend human life. Shelly Taylor, a psychologist at the University of California, Los Angeles, said: “Social relations are the cheapest and best medicine we can get.” More than 100 research findings show that friendship is good for people’s physical and mental health . People who have a good social network usually can: ○ greatly enhance their warfare