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.
What REALLY makes us worry: New region of the brain discovered that controls anxiety. 1  Discovery could have major implications for treating anxiety disorders. 2  Team found neural circuit that directly influences anxiety. 3  Over 18 percent of American adults suffer from anxiety disorders.