Stress is something some people feel when things change or get tough. It can be good or bad. For example, when you bring home a new baby, you might feel both happy and worried. As a new parent, you want to do everything right, which helps keep you and the baby safe. But if you keep feeling worried and can't relax, that's bad stress. Some things that make us feel stressed are work, money, family duties and health worries. When we're stressed, our bodies react in different ways. We might feel really tired...