It is an episodic or chronic mental condition. It can cause extreme, often unusual and alternate changes in the focus, concentration, activity, energy and mood. It is sometimes called manic depression or manic-depressive disorder which is not the new term.

Symptoms may include:

• Racing thoughts
• Need for sleep is decreased
• Unable to do even simple things
• Feeling restless or slowed down
• Lack of enthusiasm in almost all activities
• Feeling very sad or down, or anxious etc