Most self-diagnosed tension headaches are migraines. The activity test that separates them in one question.
Tension-type headache and migraine are the two most common headache disorders in the world, and they're also two of the most frequently confused. Tension-type headache affects roughly 30% of people at some point in a given year, migraine closer to 15%, and the two share enough features—head pain, some sensitivity to light or sound, a…