S 1 : The exact cause of migraine is still not known. P: Several factors like digestive disorders and psychological disturbances, have been said to be causative factors. Q: Certain foods like cheese, chocolate or red wine have also been found to trigger off an attack. R: The causative factors are numerous : psychologically, anxiety and frustration play an important part. S: It seems to be hereditary and a majority of sufferers are women. S 6 : On the other hand physical overexertion, fatigue, irregularities in dietary habits, prolonged eye strain are common precipitating factors. The Proper sequence should be: