(0 out of 1) Incorrect!
Sorry, that's incorrect. Tension-type headache is THE most common headache disorder, experienced by nearly 80% of the population.
(0 out of 1) Incorrect!
Sorry, that's incorrect. Tension-type headache is THE most common headache disorder, experienced by nearly 80% of the population.
(0 out of 1) Incorrect!
Sorry, that's incorrect. Tension-type headache is THE most common headache disorder, experienced by nearly 80% of the population.
(1 out of 1) Correct!
Correct! Tension-type headache is THE most common headache disorder, experienced by nearly 80% of the population.