Possible Causes

• Neurological problems, tumors, medications, caffeine, smoking, certain foods, magnesium deficiency, muscle tension, high blood pressure, chronic sinus infections and poor body alignment can cause migraines.
  
  

Diagnosis

• Doctors rely on patient interviews, CT and MRI scans, and EEG and blood testing to diagnose headaches. Often, migraine with left eye pain is diagnosed as a "cluster headache."
  
  

Treatment

• Treatments include improved sleeping habits; oxygen inhalation; daily injections of a medication, such as Imitrex; daily or occasional use of other medications; and surgical treatment. Homeopathic treatments might relieve symptoms.
  
  

Statistics

• More than 300 million people suffer migraines, according to Scientific American magazine. Additionally, 60 percent of migraines are one-sided; only 15 percent of sufferers always get migraines on the same side.
  
  

Migraine Sufferers in History

• Migraine sufferers in history include Vincent van Gogh, Claude Monet, Julius Caesar, Napoleon, Ulysses S. Grant, Robert E. Lee, Virginia Wolfe, Lewis Carroll, Thomas Jefferson, John F. Kennedy, Elvis Presley and Sigmund Freud.