22: Many people would agree that stress is a major problem in modern life. It is certainly true that worry and quarrel can cause all kinds of illnesses, (41) ##backache to severe headaches, or even more serious complaints such as high blood pressure.Many of us think (42) ## stress as something that other people impose on us. We often complain about how other people put us (43) ## pressure. But we should try not to let such pressure affect us. We should not forget that we are largely responsible for some of the stress ourselves. We sometimes take (44) ## more work than our bodies and our minds can handle. We should learn to (45) ## our limitations. We should be aware of which things are really important and which are not.