Migraines are intense headaches that cause pain mostly in the front of the head, around the temples, or behind one eye or ear. The pain is severe, and may also be felt on one or both sides of the head. The exact causes of migraines are unknown, but some common triggers include stress, lack of sleep or food, and light. Although there is no cure, treatment options are available, such as lifestyle changes, medications, and alternative therapies. Among the alternative therapies that are available for treating migraines are biofeedback and acupuncture.