Even with so many advances in medicine and technology, trigger diaries are still one of the first things doctors recommend after a migraine diagnosis. That is in part because migraines aren’t fully understood yet, so biological markers aren’t a reliable measurement. The other reason is that learning to recognize migraine triggers has been proven to improve patient-physician communication regarding treatment options and outcomes. Everyone has different triggers, but experts believe that some common offenders affect migraineurs more than others. For...