When people suffer from depression, they often also feel anxious and spend too much time worrying, which increases their depression. Because the natural response to anxiety is trying to figure out what to do, they may start to think over all the possible reasons for feeling worried, and will inevitably find one. When someone is depressed, their brain generates too many negative thoughts, and cannot shove them aside. Rumination and “serial worrying” are the hallmarks of anxiety, and fuel depression. There are many ways to use the brain to change the brain. Outside help may be needed, but as more control is gained over the anxiety, the depression will diminish as well.
Read the entire article here: Worry and Anxiety in Depression