“Everything’s going to be fine.” Go on, try to convince yourself, because realism can be bad for your health. Optimists recover better from medical procedures such as coronary bypass surgery, have healthier immune systems and live longer, both in general and when suffering from conditions such as cancer, heart disease and kidney failure ().
It is well accepted that negative thoughts and anxiety can make us ill. Stress – the belief that we are at risk – triggers physiological pathways such as the “fight-or-flight” response, mediated by the sympathetic nervous system. These…