Best Answer: The correct phrase is a wolf in sheep's clothing. It means someone is pretending to have good intentions about something, but they are really up to ...
Like other brain illnesses, anxiety disorders may be caused by problems in the functioning of brain circuits that regulate fear and other emotions. Studies have shown that severe or long-lasting stress can change the way nerve cells within these circuits transmit information from one region of the brain to another.
Stress can also lead to emotional problems, depression, panic attacks, or other forms of anxiety and worry. It's not just the stress itself that's the problem.