If your dentist suspects a significant psychological component to your teeth grinding or a sleep-related disorder, you may be referred to a therapist, counselor or sleep specialist.

CNN: Bruxism/teeth grinding

However, Britney is said to have a psychological condition, such as bipolar disorder, that justifies the continued need for conservatorship.

FORBES: When Will Britney Spears Be Free Of Conservatorship?

Whereas people with "regular old depression" tend to be highly vulnerable to psychological stress, one way of thinking about bipolar disorder is that it is a condition of extreme sensitivity to the circles of time.

CNN: Can keeping a routine help control bipolar symptoms?

"Whether the motivation is racism or some psychological disorder ... in an open society, it is impossible to keep a single individual from doing some damage, " he said.

CNN: Authorities mount record security effort to ensure inaugural safety

Though psychological trauma, which can eventually lead to post-traumatic stress disorder, became a widely recognized problem after the Vietnam War, the promotion of mental-health counseling for Iraq and Afghanistan war veterans has accelerated a trickle-down effect to civilians and first responders.

WSJ: First Responders Seek Out Counseling as Attitudes Shift