Migraine is invisible on an MRI but very visible on a diary. According to headache specialists, the most useful tool for the treatment of migraines is a migraine diary. Start a diary today and be empowered! The Canadian Migraine Tracker helps you to keep a simple and focused Migraine Diary directly from your smart phone or tablet. Available on Apple and Android, in English and French. Here are five good reasons to keep a diary: • Get a clear idea of your headache frequency and patterns • Use