"Animal Repetitive Behaviors" is caused by stress, boredom, or depression. Signs of "ARB" could be; pacing backwards and forwards, head bobbing, rocking, repeatedly retracing their steps, sitting motionless or biting themselves.
Depression can have such organic causes as infections if the brain becomes involved, but no there is nomicroorganism that causes depression.
If anxiety and depression are correlated, there are three possible directions of causality. These are anxiety causes depression, depression causes anxiety, and there is an environmental stimuli that causes both anxiety and depression.
There are many causes for depression. I suggest talking to a counseler.
There are several possible causes of chronic depression. Some of these causes include traumatic events, certain medications and substances, age (older individuals are more likely to suffer from depression), and genetics (depression can run in a family).
It Is Written - 1956 Depression and Its Causes was released on: USA: 6 November 2011
You can find articles and information about the causes of depression at the WebMD website. Once on the page, type "Causes of Depression" into the search field at the top of the page and press enter to bring up the information.
depression of the mouth
Obama
yes there are MANY
depression.
Antisocial.
Great Depression