People who go to their doctor for the main reason of having headaches are more likely to describe symptoms of depression than those who go for other reasons. This is the conclusion from a team of researchers from Scottsdale, Arizona who studied 200 adults attending family health practices. Eighty-four percent of the English-speaking participants in the case-control study were females, aged 18 to 87 years. The researchers found that of those patients who presented with headache, 32% had a likelihood of possible major depressive disorder compared with 12% of the patients presenting without headache. The researchers concluded, "Almost one-third of adult patients who present to a primary care office with a complaint of headache report moderate symptoms of depression when screened [by questionnaire] compared with approximately 10% of patients presenting with a complaint other than headache. Given such a high prevalence of these symptoms, primary care physicians should screen all adult patients who present with headache for depression." The study, reported in The Journal of the American Board of Family Medicine, did not investigate whether getting treatment for the depression helped relieve the headaches.