Anxiety is a generalized mood similar to fear though with fear, there is a perceived threat. Anxious feelings often present in response to a more diffuse, potential threat or without an identified threat. Anxiety can also be described as a heightened sensitivity to possible threats in the environment often from past experience in a threatening place. In fact, anxiety was first documented in soldiers that returned from war.
Anxiety also shares many similar symptoms with depression including poor concentration and memory, irritability, fatigue, insomnia, and a sense of hopelessness. It is common for people who experience depression to also experience anxiety.
Some purely anxious symptoms include:
- excessive worry