A diary of headaches.

And a most often on these question answer are better use diary or calendar of headaches.And in diary to fix are dates of headaches begun, symptoms with, stronger are they, what you are doing for helping, as when they are calming or removing, as right writing in diary is first step of a few active effect on your disease. And by the looking of a big intervals of the time, you are better  understanding in your headaches and in effectively or non effectively of therapeutic cure, but you can to find are not visible or other ties, or to remove are not for a real time matching.Calendar of headaches is effectively helps in a controlling cure result, which prescribed for the long time as for the relaxation cure or preventing for remedies.
And to be an expert of an own headaches.