Anxiety manifests itself through physical and psychological symptoms. It is usually characterized by an excessive preoccupation with a future situation. You dont live well in the present, always worried about the future. When controlled, it is the bodys natural reaction to possible threats, allowing us to remain alert to any danger that may arise. However, it can be intense, prolonged and without an apparent cause. In these cases, people tend to isolate themselves and avoid any situations they consider dangerous, even when they are not.