Since we are social beings, the quality of our lives depends in large measure on our [interpersonal](人与人之间的) relationships. One strength of the human condition is our {{U}}(36) {{/U}} to give and receive support from one another under stressful circumstances. Social support {{U}}(37) {{/U}} of the exchange of resources among people {{U}}(38) {{/U}} on their interpersonal ties. Those of us with strong support systems appear better able to cope with major life changes and {{U}}(39) {{/U}} problems. People with strong social ties live longer and have better health than those without such ties. Studies over a range of illnesses, from depression to heart disease, {{U}}(40) {{/U}} that the presence of social support helps people fight off illness, and the {{U}}(41) {{/U}} of such support makes poor health more likely.
Social support {{U}}(42) {{/U}} stress in a number of ways. First, friends, relatives, and {{U}}(43) {{/U}} may let us know that they value us.{{U}} (44) {{/U}}. Second, other people often provide us with informational support.{{U}} (45) {{/U}}.Third, we typically find that engaging in leisure-time activities with others helps us to meet our social needs {{U}}(46) {{/U}}.Finally, other people may give us helpful support--financial aid, material resources, and needed services--that reduces stress by helping us resolve and cope with our problems.