填空题 So, what should we do to handle this modern problem? Exercise is a great cure we have always had, but sadly we ___43___ it for too long. Evidence shows that whatever your age, exercise can help you lead a ___44___ and happier life. People who exercise often have fewer chances to develop many long-term illnesses, such as heart disease and cancer. What is more, physical activity can also promote self-respect, mood, sleep quality and energy, as well as reduce your risk of ___45___ from stress. If exercise ___46___ a pill, it would be one of the best medicines ever invented, says a health expert.